Lb7 running rough

2003 7.3 Powerstroke Specs. 2003 is a sad year for us 7.3 Powerstroke enthusiasts as it was the last production year. Ford succumbed to government regulations and new emissions standards and created the 6.0 Powerstroke to “replace” it. Though that engine failed to live up to the 7.3’s reputation for reliability. Search: Lb7 Wont Start After Injector Replacement You can check for a head gasket issue by squeezing the top radiator hose when the engine is running and right after you shut it off. You should be able to squeeze the hose very easily. If it is rock hard, you have a head gasket issue. We recommend using ARP head studs for a high clamp load along with one of our head gasket kits to fix it.

Nov 05, 2020 · Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors The most notorious LB7 Duramax problem is their original injectors. Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model. Fuel injector symptoms for bad, faulty, dirty, clogged, or leaking injectors are : Starting issues. Poor idle. Failed emissions. Poor Performance. Engine does not reach full RPM. Increased fuel consumption. Rough engine performance. Surging and bucking under various throttle loads. Nov 15, 2008 · I've heard that the 3 pin LB7 knifes tang stamped Uncle Henry Schrade+ over USA LB7 were the later production knifes and were made up until Schrade closed. I've got both, the 4 pin and the 3 pin LB7's, and I also have both of the Schrade USA Old Timer 7OT's with 4 pins and 3 pins (both in carbon steel, not Schrade+ steel). #7 It could be an injector is occasionally hanging open. If it hangs open after one firing event through to the end of the next, it would dump an extra 2 engine revolutions worth of fuel, most of which wouldn't burn because valves would be open. That could cause a bad sound and grey smoke.what do you mean runs cold , the actual engine temp. on the gauge does not go up or the cab does not have any heat. when you changed the thermostats did you bleed the system properly , could be a air pocket in the heater core. Charlie MassMax Diesel Head , Formerly my03diesel Joined Apr 27, 2008 409 Posts Discussion Starter · #5 · Dec 20, 2009#7 It could be an injector is occasionally hanging open. If it hangs open after one firing event through to the end of the next, it would dump an extra 2 engine revolutions worth of fuel, most of which wouldn't burn because valves would be open. That could cause a bad sound and grey smoke.Product Description. 5 Year/100K Mile Warranty -Our street series of engines are DFC’s flagship product. Built for work trucks, daily drivers and the diesel enthusiast in mind these engines are a vast improvement from stock as they contain important upgrades to common problem areas. With the majority of Dodge, Ford and Chevy truck owners ... Mar 08, 2016 · Crankcase smoking. White smoke coming out of tailpipe. Engine running rough or misfiring. Engine overheating. Milkshake type substance in your oil. Oil substance in your coolant. Blown head gaskets have notoriously been known to be expensive and big jobs and likewise no one wants to shell out the money for one. Jan 14, 2019 · Symptoms of a Damaged Intercooler. A leak in the intercooler lines will fail to supply the required amount of air under the optimal pressure, thereby affecting the air-fuel ratio of the engine. This will either cause the engine to run rich or lean. If the engine runs under a rich condition, the excess fuel will be expelled with the exhaust gases. Check the price ranges Duramax LB7 CP3 Diesel Fuel Pressure Regulator (FCA/MPROP) the thing is I do believe that you ought to not miss out on. Duramax LB7 CP3 Diesel Fuel Pressure Regulator (FCA/MPROP) Bosch Fuel Rail Pressure Regulator for 2001-2004 GMC/Chevy 6.6L LB7 Duramax Maintains a constant fuel pressure for fuel that is supplied to the ... Nov 25, 2021 · 1. Your Diesel Engine Has Starting problems. When your truck is continually cranking and not starting up, this could be lots of things but, it can also be a sign of low compression. Diesel engines rely on compression to start and run. It must have proper combustion in order to run properly. LB7 Aftermarket Fastener Torque Specs SoCal Diesel LB7 Billet Injector Clamps 55 lb ft ARP 12mm Head Studs #230-4201 125 lb ft. If you know it’s sparking correctly and that there is gas in the tank but it has been sitting for a while, your culprit is probably a clogged fuel injector. Verified that fuel is getting from tank to carb. Apr 24, 2016 · Then you press a button to tell that gadget to pulse the injector. You could then verify the injector is the problem, b/c you could do this without the engine running. You might have to fire up the fuel pump first though, to test the injector’s actual noise level. db4690 April 25, 2016, 4:06am #13. Duramax 2001-2004 (LB7) 03 duramax running rough. Doesn't seem like it's running rough or still getting air out. This product allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even having the A/C or heater working at its optimal ...Mar 08, 2016 · Crankcase smoking. White smoke coming out of tailpipe. Engine running rough or misfiring. Engine overheating. Milkshake type substance in your oil. Oil substance in your coolant. Blown head gaskets have notoriously been known to be expensive and big jobs and likewise no one wants to shell out the money for one. Mar 08, 2016 · Crankcase smoking. White smoke coming out of tailpipe. Engine running rough or misfiring. Engine overheating. Milkshake type substance in your oil. Oil substance in your coolant. Blown head gaskets have notoriously been known to be expensive and big jobs and likewise no one wants to shell out the money for one. This issue has been resolved since February 2013. It was the fuel pressure regulator or FPR as people keep commenting. I am leaving this video on youtube for...Search: Lb7 Fuel Pressure Regulator Symptoms Rough Lb7 Running About Lb7 Rough Running Looking to trade for a Cummins. Check for the usual power balance issues, including spark plugs, coils / wires, compression, fuel pressure and leakdown. After another few miles it was back running rough till I got home. LB7 running extremely rough and blowing large amounts of grey to white smoke at idle.

Search: Lb7 Fuel Pressure Regulator Symptoms Common Rails Common Problems: Typical Diesel Troubleshooting Although common rails are an improvement from previous fuel systems, they're not without issues.

Rough Lb7 Running About Lb7 Rough Running Looking to trade for a Cummins. Check for the usual power balance issues, including spark plugs, coils / wires, compression, fuel pressure and leakdown. After another few miles it was back running rough till I got home. LB7 running extremely rough and blowing large amounts of grey to white smoke at idle.

what do you mean runs cold , the actual engine temp. on the gauge does not go up or the cab does not have any heat. when you changed the thermostats did you bleed the system properly , could be a air pocket in the heater core. Charlie MassMax Diesel Head , Formerly my03diesel Joined Apr 27, 2008 409 Posts Discussion Starter · #5 · Dec 20, 2009Nov 15, 2008 · Post. by ea42 » Tue Jan 13, 2009 5:01 am. H.T.S,, The LB-7's were produced with four pins through the handles from 1978-1990, and changed to three pins from 1991 to production end in the wood fibron handles. The white delrin handled scrimshaw knives were reverted back to four pin at some point, but I don't recall when. Best restaurants in one loudounApr 14, 2015 · hey guys wrecked my 6.0 vortec i work on powerstrokes for living i know better but anyway thought i would upgrade to a dmax with the heavy loads i pull so found my 02 sierra lb7 with 6 speed manual took a bit to find it has a hypertec 90 hp tune in it was on it when i bought it but i have noticed sometimes it idles rough sometimes it don't and …

An engine with a bad MAF sensor may start and stall or be hard to start, it may hesitate under load, idle rough or run excessively rich or lean. The engine may also hiccup when the throttle suddenly changes position. Often, a dirty or faulty MAF sensor will cause the engine to set a LEAN code and turn on the Check Engine Light.

Air in fuelCommon Rails Common Problems: Typical Diesel Troubleshooting Although common rails are an improvement from previous fuel systems, they're not without issues. Jan 14, 2019 · Symptoms of a Damaged Intercooler. A leak in the intercooler lines will fail to supply the required amount of air under the optimal pressure, thereby affecting the air-fuel ratio of the engine. This will either cause the engine to run rich or lean. If the engine runs under a rich condition, the excess fuel will be expelled with the exhaust gases. I have installed a pto switch to my ecm to use the cruise control switch to elevate idle in cold temps to keep the truck warm. after I reflashed my ecm to compensate for change in gear ratio, when I use the pto switch the engine hits the rev limiter until I turn it off. I checked the pto setting in my flash and it is set to 2200 rpm.

03 duramax running rough. Jump to Latest Follow Status Not open for further replies. ... 2004 Chevy CC/SB LB7 LT3 EFILive, SC Trans w/ 1058 by me, Traction bars and centerlink braces built by me, Custom adjustable stock wastegate, 6 inch custom exhaust, 1792 Lift Pump, Belltech 3" drop shackles, Black H2's w/ Falken 285/60/17s for summer, BFG ...

Keep your vehicle running properly with Dieselogic. Skip to content. CUSTOMER SERVICE; ... 2001-2004 6.6L LB7; 2004.5-2005 6.6L LLY; 2006 6.6L LBZ; 2007-2010 6.6L LMM; Common Rails Common Problems: Typical Diesel Troubleshooting Although common rails are an improvement from previous fuel systems, they're not without issues.

Aug 30, 2013 · 1. The Function of Tow/Haul. Your tow/haul button actually changes the shift cycles of your transmission. It’s designed to make hauling a big cargo easier, but certain drivers get more comfortable with it than others. Just remember if you’re going to be traveling over hills or any kind of steep or uneven terrain, tow/haul lets your ... Search: Lb7 Wont Start After Injector Replacement

Search: Lb7 Wont Start After Injector Replacement hey guys wrecked my 6.0 vortec i work on powerstrokes for living i know better but anyway thought i would upgrade to a dmax with the heavy loads i pull so found my 02 sierra lb7 with 6 speed manual took a bit to find it has a hypertec 90 hp tune in it was on it when i bought it but i have noticed sometimes it idles rough sometimes it don't and …

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Product manual. LB7 40.5-300. Oil current transformer (hairpin type) fThe information contained in this document may be subject to change without prior warning and should not be considered as binding. on ABB Jiangsu Jingke Instrument Transformer Co., Ltd. (abbr. ABB Jiangsu) 's behalf. ABB Jiangsu accepts no liability for any errors. If your LB7 is loping/surging at idle, especially when in drive, this is one possible solution to your issue.As stated in the video, there are several things...Nov 05, 2020 · Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors The most notorious LB7 Duramax problem is their original injectors. Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model. Search: Lb7 Wont Start After Injector Replacement The rough/smooth idle you are duplicating is the balance/no balance feature of the fuel injection control. When the engine is warm, with less than 1% throttle input, and less than 1 MPH, the PCM will balance the fuel injection event to smooth the engine idle. Once you roll off, or give it throttle, the balancing turns off.LB7 running extremely rough and blowing large amounts of grey to white smoke at idle. One thing the '01-'04 LB7 Duramax is notorious for is injector failure. When the truck is cold and its cold outside the truck will start up, blow out white/blue smoke for about 30 seconds, bog down hard and miss then eventually will either shut off or start ...Apr 24, 2016 · Then you press a button to tell that gadget to pulse the injector. You could then verify the injector is the problem, b/c you could do this without the engine running. You might have to fire up the fuel pump first though, to test the injector’s actual noise level. db4690 April 25, 2016, 4:06am #13. Air in fuelApr 24, 2016 · Then you press a button to tell that gadget to pulse the injector. You could then verify the injector is the problem, b/c you could do this without the engine running. You might have to fire up the fuel pump first though, to test the injector’s actual noise level. db4690 April 25, 2016, 4:06am #13.

#7 It could be an injector is occasionally hanging open. If it hangs open after one firing event through to the end of the next, it would dump an extra 2 engine revolutions worth of fuel, most of which wouldn't burn because valves would be open. That could cause a bad sound and grey smoke.Duramax 2001-2004 (LB7) 03 duramax running rough. Doesn't seem like it's running rough or still getting air out. This product allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even having the A/C or heater working at its optimal ...hey guys wrecked my 6.0 vortec i work on powerstrokes for living i know better but anyway thought i would upgrade to a dmax with the heavy loads i pull so found my 02 sierra lb7 with 6 speed manual took a bit to find it has a hypertec 90 hp tune in it was on it when i bought it but i have noticed sometimes it idles rough sometimes it don't and …This stuff is AMAZING. I have an 04 5.9 dodge cummins. I had an injector on the way out. Super rough high idle, running rough between 50-60mph. I looked up a set of injectors. $700 for just the parts. I seen this advertised on facebook before. It's only $25. I thought "well I've spent $25 on dumber things" and clicked order. What is Lb7 Fuel Pressure Regulator Symptoms. Likes: 635. Shares: 318. Aug 03, 2008 · The pump is mounted in the filter housing on the frame and the connector is at the front of it. The pink and black wire should have 12 volts with the key on for about 30 seconds. If the pump has voltage but is not running, then your pump has failed. If there is no voltage then check fuse 2.40 in the central junction box. Feb 10, 2013 · Ive got an 04 chevy duramax with the Lb7 in it with 176,XXX miles. Recently, while trying to show off I blew a few injector nozzles and it started hazing pretty bad and had a rough idle. After pulling the injectors and removing the nozzles i found they were caked with debris. I guess the guy before me ran crappy filters.

Rough Country; Nitto Tire; Mickey Thompson Tires; ... Steps & Running Boards. Bumpers. Fuel Tanks. ... 01-04 6.6L LB7 Chevy: 2003 LB7 duramax runs great, white smoke. There was a 'half' disc installed in the oil fill tube to prevent 'splash' of oil going up the tube. Being that you have the lb7, get fixed as soon as possible. BD-Power is one of only a few shops with the capability, the know-how and equipment to fully test and rebuild common rail injectors. Search: Lb7 Duramax Engine Harness Apr 28, 2009 · The rough/smooth idle you are duplicating is the balance/no balance feature of the fuel injection control. When the engine is warm, with less than 1% throttle input, and less than 1 MPH, the PCM will balance the fuel injection event to smooth the engine idle. Once you roll off, or give it throttle, the balancing turns off.

LB7 Aftermarket Fastener Torque Specs SoCal Diesel LB7 Billet Injector Clamps 55 lb ft ARP 12mm Head Studs #230-4201 125 lb ft. If you know it’s sparking correctly and that there is gas in the tank but it has been sitting for a while, your culprit is probably a clogged fuel injector. Verified that fuel is getting from tank to carb. May 23, 2013 · LB7 serial number E61878. Schrade Cutlery Company was founded in 1904 by George Schrade, and his brothers Jacob and William Schrade. In 1946 Imperial Knife Associated Companies, (IKAC; an association of Ulster Knife Co and Imperial Knife Co) purchased controlling interest in Schrade Cut Co and changed the name to Schrade Walden Cutlery.

This issue has been resolved since February 2013. It was the fuel pressure regulator or FPR as people keep commenting. I am leaving this video on youtube for...Mar 08, 2016 · Crankcase smoking. White smoke coming out of tailpipe. Engine running rough or misfiring. Engine overheating. Milkshake type substance in your oil. Oil substance in your coolant. Blown head gaskets have notoriously been known to be expensive and big jobs and likewise no one wants to shell out the money for one. The rough/smooth idle you are duplicating is the balance/no balance feature of the fuel injection control. When the engine is warm, with less than 1% throttle input, and less than 1 MPH, the PCM will balance the fuel injection event to smooth the engine idle. Once you roll off, or give it throttle, the balancing turns off.Duramax 2001-2004 (LB7) 03 duramax running rough. Doesn't seem like it's running rough or still getting air out. This product allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even having the A/C or heater working at its optimal ...Fuel injector symptoms for bad, faulty, dirty, clogged, or leaking injectors are : Starting issues. Poor idle. Failed emissions. Poor Performance. Engine does not reach full RPM. Increased fuel consumption. Rough engine performance. Surging and bucking under various throttle loads. LB7 running extremely rough and blowing large amounts of grey to white smoke at idle. One thing the '01-'04 LB7 Duramax is notorious for is injector failure. When the truck is cold and its cold outside the truck will start up, blow out white/blue smoke for about 30 seconds, bog down hard and miss then eventually will either shut off or start ...So I've got a 2003 lb7 ccsb with the Allison. Bought last year and 26 days after purchase the crank snapped. Which lead to a complete tear down and rebuild. Truck ran perfect for about 300 miles and I started having a rough idle. That progressed very quickly to horrible idle and a pretty bad fuel knock. Rebuilt the fuel filter head.Savvy signingSearch: Lb7 Duramax Engine Harness Jan 14, 2019 · Symptoms of a Damaged Intercooler. A leak in the intercooler lines will fail to supply the required amount of air under the optimal pressure, thereby affecting the air-fuel ratio of the engine. This will either cause the engine to run rich or lean. If the engine runs under a rich condition, the excess fuel will be expelled with the exhaust gases. Jan 11, 2005 · load or no pre-load will result in very noisy operation while the engine is running. Too much pre-load may cause the engine to idle rough, have very low manifold vacuum, and/or poor low-RPM throttle response. With all adjusters fully backed off, torque all bolts for rockers, shafts or stands to proper specs. As always, NEW LIFTERS If your LB7 is loping/surging at idle, especially when in drive, this is one possible solution to your issue.As stated in the video, there are several things... Feb 10, 2013 · Ive got an 04 chevy duramax with the Lb7 in it with 176,XXX miles. Recently, while trying to show off I blew a few injector nozzles and it started hazing pretty bad and had a rough idle. After pulling the injectors and removing the nozzles i found they were caked with debris. I guess the guy before me ran crappy filters. Apr 14, 2015 · hey guys wrecked my 6.0 vortec i work on powerstrokes for living i know better but anyway thought i would upgrade to a dmax with the heavy loads i pull so found my 02 sierra lb7 with 6 speed manual took a bit to find it has a hypertec 90 hp tune in it was on it when i bought it but i have noticed sometimes it idles rough sometimes it don't and … Drives:2001 chevy 2500hd 8100w/allison. Posted March 14, 2015. 2004 silverado 2500hd with lb7 duramax. it was running fine but the injectors were going bad so I replaced all 8 with bosch remans and new hp lines. now it has an idle shake gets worse till 1500 rpm then the shake goes away. changed the stock fuel filter to a nicktane then back to ...Colchester council contact number, Convert mp3 to wav python, Schwinn airdyne pro manualPersonal assistant jobs austin txEnglish grammar packageAug 30, 2013 · 1. The Function of Tow/Haul. Your tow/haul button actually changes the shift cycles of your transmission. It’s designed to make hauling a big cargo easier, but certain drivers get more comfortable with it than others. Just remember if you’re going to be traveling over hills or any kind of steep or uneven terrain, tow/haul lets your ...

Once the vehicle does start, missing, rough idle, hesitation, and lots of white smoke until the engine warms. If you have a four cylinder, one glow plug bad will cause slight hard starting and a miss. Two will cause a very hard start and very rough operation. Three bad plugs makes the vehicle almost impossible to start and keep running. Turn the ignition Off and plug back in the CKP sensor to the harness connector. Set your DMM to a low DC voltage setting so that you can read millivolts. Touch the DMM black lead to battery negative. Then, using the meter red lead, back probe the black, ground wire at the harness connector or CKP sensor.

hey guys wrecked my 6.0 vortec i work on powerstrokes for living i know better but anyway thought i would upgrade to a dmax with the heavy loads i pull so found my 02 sierra lb7 with 6 speed manual took a bit to find it has a hypertec 90 hp tune in it was on it when i bought it but i have noticed sometimes it idles rough sometimes it don't and …So I've got a 2003 lb7 ccsb with the Allison. Bought last year and 26 days after purchase the crank snapped. Which lead to a complete tear down and rebuild. Truck ran perfect for about 300 miles and I started having a rough idle. That progressed very quickly to horrible idle and a pretty bad fuel knock. Rebuilt the fuel filter head.May 23, 2013 · LB7 serial number E61878. Schrade Cutlery Company was founded in 1904 by George Schrade, and his brothers Jacob and William Schrade. In 1946 Imperial Knife Associated Companies, (IKAC; an association of Ulster Knife Co and Imperial Knife Co) purchased controlling interest in Schrade Cut Co and changed the name to Schrade Walden Cutlery. Apr 28, 2009 · The rough/smooth idle you are duplicating is the balance/no balance feature of the fuel injection control. When the engine is warm, with less than 1% throttle input, and less than 1 MPH, the PCM will balance the fuel injection event to smooth the engine idle. Once you roll off, or give it throttle, the balancing turns off. An engine with a bad MAF sensor may start and stall or be hard to start, it may hesitate under load, idle rough or run excessively rich or lean. The engine may also hiccup when the throttle suddenly changes position. Often, a dirty or faulty MAF sensor will cause the engine to set a LEAN code and turn on the Check Engine Light.

What is Lb7 Smoke From Oil Fill. Likes: 621. Shares: 311. Mar 08, 2016 · Crankcase smoking. White smoke coming out of tailpipe. Engine running rough or misfiring. Engine overheating. Milkshake type substance in your oil. Oil substance in your coolant. Blown head gaskets have notoriously been known to be expensive and big jobs and likewise no one wants to shell out the money for one. Rough Lb7 Running About Lb7 Rough Running Looking to trade for a Cummins. Check for the usual power balance issues, including spark plugs, coils / wires, compression, fuel pressure and leakdown. After another few miles it was back running rough till I got home. LB7 running extremely rough and blowing large amounts of grey to white smoke at idle.#1 Rough running. 22 volts at ficm injector wires by back probing got new injectors new fass fuel Before that it was running in tractor mode took apart ficm clean it checked all wires and I mean closely inspected Currently have p0089 and p01223 but it does not go in tractor mode but limited rpms Last edited by a moderator: Sep 18, 2021 TheBacThis stuff is AMAZING. I have an 04 5.9 dodge cummins. I had an injector on the way out. Super rough high idle, running rough between 50-60mph. I looked up a set of injectors. $700 for just the parts. I seen this advertised on facebook before. It's only $25. I thought "well I've spent $25 on dumber things" and clicked order.

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Nov 25, 2021 · 1. Your Diesel Engine Has Starting problems. When your truck is continually cranking and not starting up, this could be lots of things but, it can also be a sign of low compression. Diesel engines rely on compression to start and run. It must have proper combustion in order to run properly. hey guys wrecked my 6.0 vortec i work on powerstrokes for living i know better but anyway thought i would upgrade to a dmax with the heavy loads i pull so found my 02 sierra lb7 with 6 speed manual took a bit to find it has a hypertec 90 hp tune in it was on it when i bought it but i have noticed sometimes it idles rough sometimes it don't and …You can check for a head gasket issue by squeezing the top radiator hose when the engine is running and right after you shut it off. You should be able to squeeze the hose very easily. If it is rock hard, you have a head gasket issue. We recommend using ARP head studs for a high clamp load along with one of our head gasket kits to fix it.Duramax 2001-2004 (LB7) 03 duramax running rough. Doesn't seem like it's running rough or still getting air out. This product allows for the engine idle to be set at 3 predetermined points (between 750 rpm and 1,800 rpm) to facilitate faster engine warm-ups, electrical system charging or even having the A/C or heater working at its optimal ...#1 Rough running. 22 volts at ficm injector wires by back probing got new injectors new fass fuel Before that it was running in tractor mode took apart ficm clean it checked all wires and I mean closely inspected Currently have p0089 and p01223 but it does not go in tractor mode but limited rpms Last edited by a moderator: Sep 18, 2021 TheBacNov 25, 2021 · 1. Your Diesel Engine Has Starting problems. When your truck is continually cranking and not starting up, this could be lots of things but, it can also be a sign of low compression. Diesel engines rely on compression to start and run. It must have proper combustion in order to run properly. Search: Lb7 Wont Start After Injector Replacement Jan 11, 2005 · load or no pre-load will result in very noisy operation while the engine is running. Too much pre-load may cause the engine to idle rough, have very low manifold vacuum, and/or poor low-RPM throttle response. With all adjusters fully backed off, torque all bolts for rockers, shafts or stands to proper specs. As always, NEW LIFTERS

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  1. Year 2003 Make Chevrolet Model Silverado 2500 Fuel LB7 Duramax ... Rough Country 1.5-2in Leveling Torsion Bar Keys | 2001-2010 GM ... Amp Research's PowerStep™ is ... #7 It could be an injector is occasionally hanging open. If it hangs open after one firing event through to the end of the next, it would dump an extra 2 engine revolutions worth of fuel, most of which wouldn't burn because valves would be open. That could cause a bad sound and grey smoke.If your LB7 is loping/surging at idle, especially when in drive, this is one possible solution to your issue.As stated in the video, there are several things... Chevy: 2003 LB7 duramax runs great, white smoke. There was a 'half' disc installed in the oil fill tube to prevent 'splash' of oil going up the tube. Being that you have the lb7, get fixed as soon as possible. BD-Power is one of only a few shops with the capability, the know-how and equipment to fully test and rebuild common rail injectors. Nov 15, 2008 · I've heard that the 3 pin LB7 knifes tang stamped Uncle Henry Schrade+ over USA LB7 were the later production knifes and were made up until Schrade closed. I've got both, the 4 pin and the 3 pin LB7's, and I also have both of the Schrade USA Old Timer 7OT's with 4 pins and 3 pins (both in carbon steel, not Schrade+ steel). hey guys wrecked my 6.0 vortec i work on powerstrokes for living i know better but anyway thought i would upgrade to a dmax with the heavy loads i pull so found my 02 sierra lb7 with 6 speed manual took a bit to find it has a hypertec 90 hp tune in it was on it when i bought it but i have noticed sometimes it idles rough sometimes it don't and …The rough/smooth idle you are duplicating is the balance/no balance feature of the fuel injection control. When the engine is warm, with less than 1% throttle input, and less than 1 MPH, the PCM will balance the fuel injection event to smooth the engine idle. Once you roll off, or give it throttle, the balancing turns off.GM Duramax - 01-04 LB7 - Exterior Accessories - Steps / Running Boards. 1-866-250-9878. Contact Us » Welcome Guest Log In. Help. Toggle navigation Menu ... Feb 10, 2013 · Ive got an 04 chevy duramax with the Lb7 in it with 176,XXX miles. Recently, while trying to show off I blew a few injector nozzles and it started hazing pretty bad and had a rough idle. After pulling the injectors and removing the nozzles i found they were caked with debris. I guess the guy before me ran crappy filters.
  2. Chevy: 2003 LB7 duramax runs great, white smoke. There was a 'half' disc installed in the oil fill tube to prevent 'splash' of oil going up the tube. Being that you have the lb7, get fixed as soon as possible. BD-Power is one of only a few shops with the capability, the know-how and equipment to fully test and rebuild common rail injectors. Nov 05, 2020 · Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors The most notorious LB7 Duramax problem is their original injectors. Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model. Turn the ignition Off and plug back in the CKP sensor to the harness connector. Set your DMM to a low DC voltage setting so that you can read millivolts. Touch the DMM black lead to battery negative. Then, using the meter red lead, back probe the black, ground wire at the harness connector or CKP sensor. May 23, 2013 · LB7 serial number E61878. Schrade Cutlery Company was founded in 1904 by George Schrade, and his brothers Jacob and William Schrade. In 1946 Imperial Knife Associated Companies, (IKAC; an association of Ulster Knife Co and Imperial Knife Co) purchased controlling interest in Schrade Cut Co and changed the name to Schrade Walden Cutlery.
  3. Fuel injector symptoms for bad, faulty, dirty, clogged, or leaking injectors are : Starting issues. Poor idle. Failed emissions. Poor Performance. Engine does not reach full RPM. Increased fuel consumption. Rough engine performance. Surging and bucking under various throttle loads. what do you mean runs cold , the actual engine temp. on the gauge does not go up or the cab does not have any heat. when you changed the thermostats did you bleed the system properly , could be a air pocket in the heater core. Charlie MassMax Diesel Head , Formerly my03diesel Joined Apr 27, 2008 409 Posts Discussion Starter · #5 · Dec 20, 2009This stuff is AMAZING. I have an 04 5.9 dodge cummins. I had an injector on the way out. Super rough high idle, running rough between 50-60mph. I looked up a set of injectors. $700 for just the parts. I seen this advertised on facebook before. It's only $25. I thought "well I've spent $25 on dumber things" and clicked order. Dog adoption nh
  4. Goat farm sydneyCheck the price ranges Duramax LB7 CP3 Diesel Fuel Pressure Regulator (FCA/MPROP) the thing is I do believe that you ought to not miss out on. Duramax LB7 CP3 Diesel Fuel Pressure Regulator (FCA/MPROP) Bosch Fuel Rail Pressure Regulator for 2001-2004 GMC/Chevy 6.6L LB7 Duramax Maintains a constant fuel pressure for fuel that is supplied to the ... Apr 28, 2009 · The rough/smooth idle you are duplicating is the balance/no balance feature of the fuel injection control. When the engine is warm, with less than 1% throttle input, and less than 1 MPH, the PCM will balance the fuel injection event to smooth the engine idle. Once you roll off, or give it throttle, the balancing turns off. GMC and Chevy Duramax LB7 6.6 Diesel Common Issues and Problems. If you have a 2001-2004 Duramax 6.6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop. Over the years these trucks have been really good performers, but they do have some common problems that we see over and over again.Feb 10, 2013 · Ive got an 04 chevy duramax with the Lb7 in it with 176,XXX miles. Recently, while trying to show off I blew a few injector nozzles and it started hazing pretty bad and had a rough idle. After pulling the injectors and removing the nozzles i found they were caked with debris. I guess the guy before me ran crappy filters. Year 2003 Make Chevrolet Model Silverado 2500 Fuel LB7 Duramax ... Rough Country 1.5-2in Leveling Torsion Bar Keys | 2001-2010 GM ... Amp Research's PowerStep™ is ... Bar stools baton rouge
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This stuff is AMAZING. I have an 04 5.9 dodge cummins. I had an injector on the way out. Super rough high idle, running rough between 50-60mph. I looked up a set of injectors. $700 for just the parts. I seen this advertised on facebook before. It's only $25. I thought "well I've spent $25 on dumber things" and clicked order. What is Lb7 Smoke From Oil Fill. Likes: 621. Shares: 311. Tohi meaning in englishWhat is Lb7 Smoke From Oil Fill. Likes: 621. Shares: 311. >

Rough Lb7 Running About Lb7 Rough Running Looking to trade for a Cummins. Check for the usual power balance issues, including spark plugs, coils / wires, compression, fuel pressure and leakdown. After another few miles it was back running rough till I got home. LB7 running extremely rough and blowing large amounts of grey to white smoke at idle.The rough/smooth idle you are duplicating is the balance/no balance feature of the fuel injection control. When the engine is warm, with less than 1% throttle input, and less than 1 MPH, the PCM will balance the fuel injection event to smooth the engine idle. Once you roll off, or give it throttle, the balancing turns off.If your LB7 is loping/surging at idle, especially when in drive, this is one possible solution to your issue.As stated in the video, there are several things...Apr 24, 2016 · Then you press a button to tell that gadget to pulse the injector. You could then verify the injector is the problem, b/c you could do this without the engine running. You might have to fire up the fuel pump first though, to test the injector’s actual noise level. db4690 April 25, 2016, 4:06am #13. .