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    Circuit issues on 2013 Mazda BT-50 fuel injector

    Mazda Mazda Advice Mazda BT-50 Mazda BT-50 Advice Mazda BT-50 2013
    ...

    My 2013 Mazda BT-50 has an open circuit on injector three. Sometimes after a reset, the injector comes good, but other times the fault returns. What could be the problem?

    Answered by CarsGuide
    29 May 2024
    David Morley

    An open circuit on a fuel injector is usually caused by either a broken wire to the injector, a loose terminal somewhere in the electrical circuit that drives the injector or a burned-out coil in the injector itself.

    Changing the suspect injector will tell you if the coil is the problem, but if that doesn’t fix it, you’ve got to work backwards from the injector until you find the fault. Bear in mind that if the injector itself is at fault, the other three injectors might be ready to go out in sympathy. Modern common-rail engines can be hard on injectors and they sometimes need replacing before they’ve done 100,000km.

    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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