WOT issues on 3B

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  • Knight Rider S4
    replied
    Think I maybe sussed it ..When I was working on engine the only thing that i thought might be suspect is the knock sensor beside the thermostat, wiring was all twisted and kinked I took it off and straighten it out and put back on ...This is a strong candidate for fault

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  • Knight Rider S4
    replied
    dizzy not long replaced all working , this was done by previous owner ...never really checked to see if it was a wide arm rotor arm or not will double check that and see ..leads are good so is cap, plugs arent old either..MFTS cause this?

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  • Rocco
    replied
    Distributor,sparks plugs,spark plug wires

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  • DJones
    replied
    Originally posted by Knight Rider S4
    Right I have my latest 3B with strange issue , i have just built up the top end and its running smoooth as ,no rattles so on

    BUT under load different story

    Took the car for a proper test run today and it was only boosting up to .7bar with MRC ECU(should be 1.3)..another thing when I go WOT it pops and farts alot and feels retarded ..I have changed over the MAF thinking it might be to blame but no real change

    If it was a ABY I would say it had a dodgey coil , any other 3B owners had coil failure which caused same fault?

    Cheers


    Steve

    Have you got the correct rotor arm?

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  • Knight Rider S4
    started a topic WOT issues on 3B

    WOT issues on 3B

    Right I have my latest 3B with strange issue , i have just built up the top end and its running smoooth as ,no rattles so on

    BUT under load different story

    Took the car for a proper test run today and it was only boosting up to .7bar with MRC ECU(should be 1.3)..another thing when I go WOT it pops and farts alot and feels retarded ..I have changed over the MAF thinking it might be to blame but no real change

    If it was a ABY I would say it had a dodgey coil , any other 3B owners had coil failure which caused same fault?

    Cheers


    Steve
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