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    Mitsubishi ASX 2012: Is carbon build-up common in Mitsubishi diesel engines?

    Mitsubishi Mitsubishi Advice Mitsubishi ASX Mitsubishi ASX Advice Mitsubishi ASX 2012

    Has anyone had problems with diesel ASXs. I'm told that the carbon build up in my 2012 model due to a faulty valve was so bad that the engine needs to be replaced. Mitsubishi has now had my car for 4 1/2 months with no progress being made on the replacement and no answer to correspondence. Is this problem common?

    Answered by CarsGuide
    27 April 2017
    Graham Smith

    Carbon build-up is not an uncommon complaint with Mitsubishi engines; it's the EGR valve that gets gummed up by the re-circulated exhaust gases. There is no reason for the dealer to have your car for that amount of time, and there's no excuse for not telling you what's going on. If you can't get a reasonable explanation and outlook for getting back from the dealer/Mitsubishi consider going to the NSW consumer affairs department to get some action happening.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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