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    My 2009 Holden Colorado has been going into limp mode

    Holden Holden Advice Holden Colorado Holden Colorado Advice Holden Colorado 2009

    The check engine light in my 2009 Holden Colorado V6 auto petrol is on and recently the vehicle has gone into limp mode, not revving above 3500. It also has trouble starting, sometimes taking five to seven attempts to get it to go. I've changed the crank angle sensor and the receiving plug, and also renewed the electrics to it.

    When this happens, if I clear code and remove the crank angle sensor, the ute starts first try. But once the sensor is put back in it stops immediately. I've tried two new sensors but that hasn't fixed the problem, what next?

    Answered by CarsGuide
    17 January 2024
    David Morley

    It sounds counter-intuitive that an engine would run at all with the crank angle sensor removed. Generally, without this sensor working properly, the fuel-injection system has no idea when to inject the fuel or fire the spark plugs. But sometimes – as in this engine – if the computer can't 'find' a crank angle input, it will take a reference from the camshaft angle sensor and use that to time the injection and ignition.

    Even so, if the problem persists after two replacement sensors, it's probably fair to say this particular sensor is either not the root of your problem, or that or the engine's wiring is frying the new sensors as fast as you're changing them.

    Either way, a trip to an auto electrician seems like the next logical step. Chances are a switched on sparkie will have seen this exact problem before and will know how to deal with it or at least take the logical steps to diagnose what's going wrong. Simply continuing to change bits and pieces is often an expensive way to solve a problem like this.

    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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