Pontiac G3 Problems

RepairPal has identified the most common problems with the Pontiac G3 as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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4
Known Problems

A Loose or worn gas cap may cause Check Engine Light to illuminate.

Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians often recommend replacement of the front rotors and brake pads as the best option to correct this condition.

Extended life coolant may become contaminated and require cooling system service before the recommended 150,000 miles.

The speedometer may stop functioning with code P0722 stored in the powertrain control module (PCM). This may be caused by a worn speedometer gear due to coolant contamination of the transmission fluid. If contamination is found the radiator is most likely at fault. The transmission should also be thoroughly inspected and repaired or replaced as required.