Engine - Rough/Unstable/Incorrect Idle
88chevy21Number: 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.