Engine Controls - Updated Rough/Unstable Idle Chart

88pontiac10

Bulletin Number: 88-6-53
Reference Number: 816520
Publish Date: 6/88
Subject: SERVICE MANUAL UPDATE - 6E SECTION B ROUGH, UNSTABLE OR INCORRECT IDLE

Models

Affected: ALL 1981-88
SERVICE MANUAL UPDATE


When using the 6E Section B, "Symptoms for a rough, unstable, or incorrect idle", make sure to check the motor mounts for damage, grounding out on the frame, mispositioned, etc. Add this check to all Section B symptom tables under the heading "Rough, Unstable, or Incorrect Idle".