2002 Chevrolet Avalanche 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2002 Chevrolet Avalanche 1500
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2002 Chevrolet Avalanche 1500 ProblemsService 4WD Message May be Displayed
The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
2002 Chevrolet Avalanche 1500 QuestionsMy fuel gauge goes from three-quarters full to empty back and forth (1 answer)
Even when it's full what do I need to do what's the problem when I hit a bump it drops down to empty then if I hit another bump it goes back up to three-quarters full and then sometimes it just stays on take her to school for a long time or empty for a long time
Used 4wd low on rather steep, slick driveway and after back on level ground, stuck in 4wd low. No light indicated on panel and service light came on until I reset with battery cable. Still stuck in 4wd low, buttons useless!