MOKING OUT THE TAILPIPES

GMC

Tiny

95gmc1500

May, 28, 2007 AT 12:45 AM

I have a 95 gmc serria with a 5.7 V8 and when I give it a lil gas it blows out black smoke I just recently changed the oil I went from normal oil to full synthetic I dont know if that would make a differance or not

FOUND 740 RELATED QUESTIONS

Black Smoke Coming From Exhaust

65 ANSWERS
100 IMAGES

Smoking

32 ANSWERS
48 IMAGES

1 Answer

Tiny

golembesky

June, 6, 2007 AT 7:37 PM

Black smoke means shes runnig rich. The black smoke is just carbon build up breaking loose. Here's a tip, buy some seafoam. With the engine running slowly pour in half of the can without stalling the engine, then just dump the rest in which will cause the engine to stall, leave it sit overnight and run the next day. This will clean the top end of the engine, and probably get rid of your smoke.

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