1999 GMC Suburban 2500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 GMC Suburban 2500
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1999 GMC Suburban 2500 ProblemsEngine Misfire Due to Worn Valve Seat
The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Our technicians tell us the misfire may or may not be felt while driving. They further recommend that both cylinder heads be removed and thoroughly inspected and repaired as necessary.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
One or more fuel injectors may become stuck closed causing an engine misfire and the Check Engine Light to illuminate. Our technicians tell us that this problem can be caused by some fuel additives. There are special procedures which may be able to restore the affected injector. If this fails the affected injector must be replaced.
1999 GMC Suburban 2500 QuestionsWhy is the anti lock brake light on and the anti lock brakes don't work? (1 answer)
All the time.
I have had to prime my suburban for awhile now to get it to start then the other day I was driving and it just died on me. Had to have it towed back to my house. Was able to get it to start the next day and it idled fine but as soon as I put it in gear and tried to drive it died after about 15 fe...
Turns over although wont fully engage. Battery is 2 yrs old and starter is one year old.