Why dose my truck blow black smoke when I step.

Tiny
ANONYMOUS
  • 1991 GMC SIERRA
  • 31 MILES

Why dose my truck blow black smoke when I step on the gas

Monday, March 25th, 2013 AT 11:44 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER

Its running too rich-check the fuel pressure if its within specs-

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Tuesday, March 26th, 2013 AT 1:40 AM

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