1994 GMC Sonoma Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1994 GMC Sonoma
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1994 GMC Sonoma ProblemsReplace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure
The electrical contacts in the ignition switch may fail and result in erratic instrument panel gauge operation or illumination of the Check Engine Light. A failed ignition switch will require replacement.
The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our technicians tell us that removal of the dash board is necessary to replace the heater on these vehicles.
1994 GMC Sonoma Questionsreplaced clutch master cyl & slave cyl.still get air & no pedal after bleeding (1 answer)
Got minimal information from the guy. He didn't really seem to know about the truck itself. He does know what's wrong with it. There's some rust in the rear left wheel well, not sure how bad it is, haven't seen it yet. The front wheels in the 4 wheel drive are not engaging. He had...
My truck feels like its miss firing and ist sputters. What could cause this? No other problems at all.