RUNNING ROUGH

1997 GMC C2500

Tiny

twr0679

February, 19, 2010 AT 9:05 AM

Engine Performance problem
1997 GMC C2500 V8 Two Wheel Drive Automatic 286, 00 miles

Here is my problem I have a 97' gmc c2500 2wd 6.5L
turbo diesel that is running really bad thought maybe a fuel filter would help it but no improvement what it is doing exactly is hard to explain but I will give it a shot; It stalls out, will not maintain a speed meaning once I actually get it to say 45 the truck seems to loose speed then it catches itself and continues to loose speed then speed up shaking the truck rather bad then at a stop light or any time I let off the gas and the truck idles down it shuts off completly also when I step on the gas peddle to either speed up or rev the engine there is a large ploom of black smoke and soot that comes out the tail pipe HELP PLEASE I am self employed and I need the truck to run properly

FOUND 4235 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
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0 Answers

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