Engine idle

Tiny
LOWELLJOHNS
  • 1989 CHEVROLET TRUCK
  • V8
  • 2WD
  • AUTOMATIC
  • 215,000 MILES

Have 1988 chevy 1500 pickup when cold startup engine has a up and down idle check endine light not on all the time

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Sunday, August 21st, 2011 AT 12:08 AM

1 Reply

Tiny
RASMATAZ
  • MEMBER

Clean out the idle air control valve and test the throttle position sensor/manifold absolute pressure sensor-also check fuel pressure if its within specs-

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Sunday, August 21st, 2011 AT 12:37 AM

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