Please Help Me
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Thread: Please Help Me

  1. #1
    Join Date
    Mar 2017
    New Zealand

    Default Please Help Me

    Is it possible for someone to help me please? I have a BX19 GTI that will not start. It was running. I washed it and now it will not start. It has spark but, the only way I can get it to run is pour petrol into the manifold vacuum hose.
    Someone told me it will be the fuel injector relay or tachometric relay but I have searched everywhere for one and cannot for the life of me find one fixed to any part in the engine bay. Please if anyone can help that would be magical. Thank you in advance.

    Last edited by Brownfrog; 26th June 2017 at 03:40 PM.

  2. #2
    Join Date
    Jan 2017


    I had some long and painful problems with my DS 21 i.e. with non-starting. Different system I know but....

    I learnt that the MAP sensor was king. But you can easily (in part, anyway) test that with ohm-meter

    Some other sensors mattered some less so

    But I also learnt that you can tell if the injectors are getting a voltage simply be putting a digital voltmeter (not analogue type which apparently can damage the ECU circuits) across the relevant terminals when you are trying to start engine. If you get a voltage ... mine was .5 v I think and all 4 injectors are the same then you should have eliminated the injector electrics as part of the problem. You do not need an oscilloscope to make this rough check

    By the way, my problem ultimately was 3 brand new failed spark plugs!!!!!
    Blueduck (aka Ian Downie)
    1974 Citroen D Special with DS21i.e. engine and 5 speed gearbox
    MGB GT V8 B.... bullet--proof and great fun
    Jaguar e-type roadster ... on the way from US of A

  3. #3
    1000+ Posts driven's Avatar
    Join Date
    Apr 2005


    Did you wash under the bonnet?

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