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I'm getting diesel fuel in the crankcase on my 2002 duramax
I'm getting diesel fuel in the crankcase on my 2002 duramax LB7,all injectors are brand new Bosch injectors. … read more
Chris (aka-Moose)
Chris (aka-Moose)
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I have a 2004 2500hd duramax with an LB7 engine. I currently
I have a 2004 2500hd duramax with an LB7 engine. I currently have a crank no start issue. The truck hasnt ran in a year and a half because i went to school and a deployment. Im in the Navy. It didnt r… read more
GM Tech (Cam)
GM Tech (Cam)
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2001 GMC Sierra 2500HD LB7 Duramax. Just replaced all
2001 GMC Sierra 2500HD LB7 Duramax. Just replaced all injectors and fuel pressure regulator which has reduced the hazing smoke a lot. How ever once the truck warms up it gives a very small amount of p… read more
Pete
Pete
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My lb7 duramax dies under acceleration when warmed up, have
My lb7 duramax dies under acceleration when warmed up, have replaced injectiors, fprv, new fuel lines, installed a lift pump … read more
Tool Hut
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My name is ***** ***** own a o4 lb7 duramax i just had all 8
Hi my name is ***** ***** own a o4 lb7 duramax i just had all 8 injectors done all new fuel lines rubber and high pressure replaced also replaced fuel pressure regulator and now it wont start i have n… read more
Chris (aka-Moose)
Chris (aka-Moose)
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2004 lb7, I recently had injectors and cp3 pump replaced.
2004 lb7, I recently had injectors and cp3 pump replaced. Everything seemed to be fine for six months. Hooked up trailer a month ago for 300 mile trip, 150 miles in I had a crankcase full of fuel. Too… read more
GM Tech (Cam)
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I just purchased a 2002 2500HD with the Duramax/Allison
Hi. I just purchased a 2002 2500HD with the Duramax/Allison combo. First ,it runs very well with minimal noticeable smoke. Trans feels strong too. It has appx 200K on it. My concern is I got it from a… read more
Tool Hut
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Chevrolet K3500 4x4: hi, i have a 2000 chevy 6.5 3500, it has
hi, i have a 2000 chevy 6.5 3500, it has 135,000 miles on it... it smokes heavy going up hills and seems to lack power.. oil pressure is good, i checked the wastegate and i could move it easily when t… read more
Roy
Roy
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2003 Chevy silverado 2500 hd: need to bleed out system form air
My 2003 Chevy silverado 2500hd 6.6 hard to start when is cold sometime take 20 second to start & some time i need to bleed out system form air ?… read more
Dodge expert
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2003 Chevrolet Silverado 2500HD 6.6L LB7 Duramax 133,000 miles...
2003 Chevrolet Silverado 2500HD 6.6L LB7 Duramax 133,000 miles... Im thinking when i had the head studs installed there was improper torque applied to the heads, because when the motor gets hot, there… read more
Gary
Gary
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I have a 02 lb7. I have low mpg. Im suspecting a low boost problem.
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GM Tech (Cam)
GM Tech (Cam)
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2007 duramax lmm 2500..towing..dtc..check engine light will come on
I have a 2007 duramax lmm 2500 under load (wide open throttle empty or part throttle towing) The change fuel filter will luminate (go from 100% to 0%) even after just changing the fuel filter and rese… read more
Dodge expert
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Hoses..drove..you drive before it warms up-- then zoom the turbo kicks
HAL - I'm back there isn't any codes , checked all inter cooler hoses all ok ,the waist gate moves freely acuater was also tested, good- you stated something about stuck in low power mode= you hit it … read more
Hal
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Ive got a 2001 GMC 2500hd with the LB7 6.6. Im getting
I've got a 2001 GMC 2500hd with the LB7 6.6. I'm getting both p0093 and p1093 codes when pulling a horse trailer and while going up steep grades without trailer. Replaced filters and tightened fuel li… read more
Your Auto Inspector
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Cranked..fuses..screw of of fuel filter full of fuel pumped the primer
cranked truck this morning and ran few minutes, put it in gear moved a few inches cut off like you cut the key off. checked all the fuses there all good. took screw of of fuel filter full of fuel pump… read more
GM Tech (Cam)
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I HAVE A 2003 CHEVY 2500HD DURAMAX. EVERY TIME IT IDLES FOR
I HAVE A 2003 CHEVY 2500HD DURAMAX. EVERY TIME IT IDLES FOR APROX 10-15MIN IT LOSES POWER AND HAS NO THROTTLE RESPONSE. IT HAS A LOW FEUL RAIL PREASURE CODE. THE FUEL FILTER IS NEW AND AS SOON AS YOU … read more
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My 2003 duramax runs good..exhaust when idling and taking off
My 2003 Duramax runs good with maybe a slight hesitation when taking off. Why does it have white smoke pouring out of the exhaust when idling and taking off.… read more
Dan
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Associate Degree
2004 3500 Silverado with a duramax diesel and allison transmission
My girlfriend has a 2004 3500 Silverado with a duramax diesel and allison transmission. I am new to diesels and only have questions and no answers about the following. She tows a 4 horse with living q… read more
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Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

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GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

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Tim's Auto Repair

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Dave Nova

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John

John

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Don - Mo Lurch

Don - Mo Lurch

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Ron Z.

Ron Z.

- Chevy Tech -

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18+yrs experience. State Inspector and Chevy Diagnostics

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