GMC Rally Wagon 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC Rally Wagon 1500
Verified by mechanics, reported by drivers like you
GMC Rally Wagon 1500 ProblemsAlternator May Fail and Cause Noise and Dead Battery
The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require replacement.
An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.
GMC Rally Wagon 1500 QuestionsPO466 (1 answer)
How soon will I bring to the mechanic with the CodePO466.