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Engine - Rough/Unstable/Incorrect Idle

88chevy21

Number: 88-269-6E

Section: 6E
Date: JUNE, 1988
Subject:
SERVICE MANUAL UPDATE ROUGH, UNSTABLE OR INCORRECT IDLE

Model and Year: 1981-88 CHEVROLET PASSENGER CARS AND LIGHT DUTY TRUCKS
TO: ALL CHEVROLET DEALERS

When diagnosing Rough, Unstable, or Incorrect Idle, make sure to check the motor mounts for damage, grounding out on the frame, or mispositioned, etc.