1995 GMC Sierra truck is running but blowin smoke

1995 GMC SIERRA
147,000 MILES • V8 • 2WD • AUTOMATIC
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BPYUCHA
  • MEMBER
  • 1 POST
i recently had to put a new gas tank on my truck cause the old one was leaking put a new tank and pump on started it up and it shakes real bad has now getup and go is blowing lots of black smoke and the oil keeps going a quart over and is now pitch black even though i just changed it any ideas?
Mar 6, 2010 at 12:18 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
The black smoke indicates a rich mixture. Check fuel pressure to see if the regulator is bad.

Let me know.
Mar 16, 2010 at 8:50 AM
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