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Runs bad

Tiny
PAINTBALL_TY13
  • MEMBER
  • 1988 CHEVROLET CAMARO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 81,330 MILES
Why does my 1988 camaro 2.8 run good cold but terrible warm?
Saturday, March 26th, 2011 AT 12:44 AM

2 Replies

Tiny
DWB812
  • MECHANIC
  • 108 POSTS
This thermal problem have a variety of causes. It is most likely the thermal sensor that adjusts the fuel to the engine is malfunctioning and the engine is operating under a rich condition. You don't give specific info on what "runs terrible" actually means. Black smoke from the exhaust when the engine is warm and under acceleration indicates a rich fuel mixture. More specific info would help in narrowing your problem down. Is the Check Engine light on?
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Saturday, March 26th, 2011 AT 3:03 AM
Tiny
CUP1981
  • MEMBER
  • 133 POSTS
A second opinion would be to run the engine at night time until it starts running rough. Check for any sparks coming from the ignition wires and distributor cap. It's not uncommon for these types of shorts to show until the vehicle is warmed up.
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Thursday, June 23rd, 2011 AT 6:43 AM

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