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Thread: Gq backfiring

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    Gq backfiring

    Hello,
    Just recently got my tb42e started and it is running like an absolute dog, backfires out of exhaust and intake and won’t rev up.
    Would anybody have any ideas?cheers

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    Patrol God mudnut's Avatar
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    There are a few causes. Is it dual fuel? Leaking injectors can also cause it.
    Attached Images Attached Images

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    Straight petrol and brand new injectors

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    ......... MB's Avatar
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    Could the timing belt have possibly skipped over a cog or two and or stretched, not sure if that’s possible?


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    Expert billyj's Avatar
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    fuel pump is stuffed
    gone to the dark side 2017 vdj 79 dc

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    Patrol God Avo's Avatar
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    Airflow meter,when I had my VL commonwhore it was the biggest problem with 5hat motor

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    Advanced Arfa Brayne's Avatar
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    Crossed plug leads - check your firing order.
    "Can't" is a dirty 4 letter word.
    Best way to deal with a "Can't" is to chop off the "t" and brew it in boiled water for a few minutes.
    Sip on the "t", and consider what you've got left to work with

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    MB (8th June 2021)

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    ......... MB's Avatar
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    Now that makes perfect sense to nuffy me AB Mate, ping pong, would explain the valves open exploding with inwards & outwards ignition after TDC/BDC if that’s correct?


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    Arfa Brayne (10th June 2021)

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    Brand new pump mate

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    Patrol God Avo's Avatar
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    Quote Originally Posted by PatrolOwner69 View Post
    Brand new pump mate
    Does it idle ok,and only backfire when revd up

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