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1994 Chevrolet Cheyenne info needed

Tiny
RGO6
  • MEMBER
  • 1994 CHEVROLET CHEYENNE
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Engine runs great cold. After engine warms up to tempiture while driving shortly after starts to spit and sputter
and pop back. Back fire. Dont want to. Run. Like its over heating. Getting to hot.
then once parked it ildles ok. Themostats been replaced. Already. Question. Would a bad fuel. Pump or bad
radiator cause that. Whats your opion. Plz out of ideas.
replaced several sensors. Temp gauge shows tempiture normal when it acts up.
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Wednesday, September 24th, 2014 AT 10:08 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Checkto see if gasket below tbi is blown they do that causing a vacuum leak. Then check hoses for same as far as overheat check radiatior for cold spots if any found replace it. Then have system pressure checked if still overheating may be an internal problem.
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Wednesday, September 24th, 2014 AT 12:39 PM

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