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Mitsubishi and Suzuki Vitara common ECU failure symptoms


Due to design and manufacturing defects, Mitsubishi Electric engine management ECUs fitted to many Mitsubishi models (model years 1992-1999) plus Suzuki Vitara and Hyundai Sonata, are failing early in vehicle life. Click here to see photo of this ECU.

This problem is widespread and secondhand ECUs are impossible to locate with new ECUs usually on back order with main dealers. WARNING: ECUs for imported vehicles may not be available from UK or European dealers - if the ECU is damaged beyond repair the vehicle may be written off. Please refer to warning below - if you have any suspicions about your Mitsubishi ECU, please use our low-cost ECU inspection service - It is best to know as soon as possible if your ECU could be affected by this problem.

Common Symptoms


    1) Erratic idle/stall at traffic lights/general poor running and starting problems which can be intermittent.
    2) ONE injector ceasing to function.
    3) Nonsense fault codes when code reader is connected.
    4) Code reader will not communicate with the ECU.

If you have any of these symptoms it is vital that the ECU is attended to IMMEDIATELY as ANY delay can result in total loss of ECU. STOP USING THE CAR - REMOVE ECU TO STOP FURTHER DAMAGE. IF YOU HAVE TO MOVE CAR, PUSH IT! NEW ECUs COST OVER UK600.00!

If you have any suspicions about your Mitsubishi ECU, please use our low-cost ECU inspection service - please click here for details. In many cases, if we catch the problem early enough, we can fix your ECU during inspection and you will avoid the costs of a full rebuild or total loss of ECU.

Please click here for full address and rebuild quote request form.

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