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.
Problems for specific Chevrolet Suburban 1500 years:
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Most reported 1998 Chevrolet Suburban 1500 problems
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.
The rear brake lights overheat resulting in the plastic lamp bulb connectors melting and finally the lamp itself breaks a filament. The service lamp filament which is the in the same bulb continues to operate. I tried fitting LED bulbs to try and reduce the current drain, but both burnt out as soon as the brakes were applied.