One problem related to catalytic convertor has been reported for the 2003 Mitsubishi Montero. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Mitsubishi Montero based on all problems reported for the 2003 Montero.
The contact owns a 2003 Mitsubishi Montero. The contact stated that the check engine warning light remained illuminated when the vehicle was purchased from the dealer. The contact stated that the vehicle had a strong hesitation as the failure progressed. The vehicle was taken to an independent mechanic who diagnosed that the catalytic converter needed to be replaced. The manufacturer was not notified. The approximate failure mileage was 130,000.
| Engine Failure problems | |
| Car Stall problems | |
| Catalytic Convertor problems |