2002 GMC Sonoma Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2002 GMC Sonoma

2002 GMC Sonoma Problems

Distributor Shaft O-Ring Seal May Leak Oil

An engine oil leak may develop from the distributor shaft o-ring seal.

Internal Faults in Distributor Can Cause Engine Problems

The distributor may develop internal faults. This can cause a rough running engine or stalling condition and the Check Engine Light may or may not illuminate. The distributor should be overhauled or replaced to correct this concern.

Fuel Level Sensor Failure

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

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2002 GMC Sonoma Reviews

Have had the Ext Cab V6 engine model since new (now 91,000 miles). Now have problem with ABS LIGHT on dash - no one knows what to do to fix it. Have replaced the 3rd door latch 3 times - running lights go off when direction signal is on - but seems everyone has the same problem and GM does nothing to remedy it. Do routine maintenance and it will run forever, I hope. Would rather spend a couple ...
I have a 02 GMC Sonoma and the passager side cab is rusting. The thired door handle broken because its plastic. Its automatic and some times when shifting it does not seem like it wants to shift. The daytime running lights work but when I turn on the turn signial they go out until the turn signial goes out.
A door pin was replaced and then the third door was readjusted and wind noise is gone. Have problems with seat belt on occasion not retracking properly. Still get antifreeze smell on certain dial settings. The truck has developed wind noise on the drivers side door upper right. Had trouble keeping the antenna screwed on but I think the dealer took care of that. Tried E-85 fuel but truck ...

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