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Thread: Cosworth boosting problem

  1. #1
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    Cosworth boosting problem

    Hi can anyone help I’ve fitted a yb engine in my Capri it runs fine till
    it gets up to temperature
    then it starts to coff and splutter and backfire on boost it runs if I drive it normal I’ve changed the plugs
    and fuel filter and fitted a fuel pressure gauge
    and the fuel pressure is fine any help will be apreshated thanks

  2. #2
    Spanner Monkey Alan G's Avatar

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    Re: Cosworth boosting problem

    Worth changing your coolant temp sensor at the back of the head.

    https://shopbhp.com/collections/temp...e-sensor-wts05

  3. #3
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    Re: Cosworth boosting problem

    do you know the history of it all?

    turbo, injectors and map sensor all have suit the ecu/chip inside it

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    Spanner Monkey Ianbavs's Avatar

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    Cosworth boosting problem

    Try the phase sensor inside distributor check the wire insulation not gone bad :-)


    Sent from my iPhone using Tapatalk

  5. #5
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    Re: Cosworth boosting problem

    Quote Originally Posted by Ianbavs View Post
    Try the phase sensor inside distributor check the wire insulation not gone bad :-)


    Sent from my iPhone using Tapatalk
    I’ll have a look but I don’t know how to use tapatalk

  6. #6
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    Re: Cosworth boosting problem

    I’ll try that first Cheers

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