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1993 Chevy Blazer

Tiny
GREENGIANT
  • MEMBER
  • 1993 CHEVROLET BLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 220,000 MILES
I have lots of black smoke comeing out of tail pipe.I am sure it is flooding and uses lots of gas. It just started for no reason. What could cause this and what would be a fix.
Wednesday, November 18th, 2009 AT 12:31 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Welcome to the forum. Check for trouble codes. There are many possibilities. If the cts is telling the computer that it is freezing out side and it is warm, the engine will probably try to flood. You could have an injector problem. Use a gage and check fuel pressure. A faulty sensor could be telling the computer that you need more gas.
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Wednesday, November 18th, 2009 AT 1:18 PM

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