2003 Dodge Neon Problems

RepairPal has identified the most common problems with the 2003 Dodge Neon 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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Known Problems

The radiator cooling fan may fail to turn on resulting in an engine overheating condition, or The fan may not turn off once it is on. Chrysler has released a service bulletin to address this issue. The repair involves install a jumper wire harness and new cooling fan relay.

There was a recall to replace the vacuum hose for the brake booster. In the presence of oil, the original hose could swell and become disconnected. The brakes would function but power assist would be lost and the pedal would feel very hard.

Spark plug tube seals fail, causing the tubes to fill with engine oil and the engine to misfire. As a result, the engine may run poorly and fuel economy can suffer.

The fuel level sensors can wear out causing erratic or inaccurate fuel gauge readings.

Some vehicles may develop a musty odor coming from the HVAC system, Dodge has issued a cleaner/disinfectant and a coating for the evaporator designed to inhibit bacterial growth.

A click heard when turning the steering wheel may be solved by aligning the steering column or installing revised parts in the column (requires removal of the steering column).

A clicking or popping sound from the front of the vehicle (left or right side) while accelerating from a stop may be fixed by installing a rubber gasket on the axle shaft.

Problems with the remote starter accessory may be fixed by replacing the hood switch for the remote starter. The vehicle will typically chirp the horn and not start, or it will chirp the horn, start the car, and then turn off.

The engine may stumble occasionally during wide-open-throttle acceleration (full throttle). This may not occur frequently enough to set a Check Engine (MIL) light. The spark plugs (spark plug insulators) and spark plug wires should be inspected for deterioration and carbon tracking; resistance in the spark plug wires should be checked as well. New spark plug wires from Dodge are a revised design and any defective spark plugs need to be replaced.

The sunroof may open only to the vent position and close, or it may open to the vent position and get stuck. This may occur after the sunroof was operated at high freeway speeds, which applies excessive force to the sunroof mechanism. The sunroof mechanism will need to be disassembled and reassembled, replacing mechanism parts as needed.