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1989 Chevrolet Truck
Have 1988 chevy 1500 pickup when cold startup engine has a up and down idle check endine light not on all the time
Sunday, August 21st, 2011 AT 12:08 AM
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-
Sunday, August 21st, 2011 AT 12:37 AM
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