1994 Chevrolet Cheyenne info needed

1994 CHEVROLET CHEYENNE
180,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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RGO6
  • MEMBER
  • 1 POST
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....
Sep 24, 2014 at 10:08 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
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.
Sep 24, 2014 at 12:39 PM
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