Map sensors on 2ltr gti golf

Discussion in 'Mk4' started by Adam peachey, May 28, 2020.

  1. Adam peachey Forum Member

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    Could a faulty map sensor show fuel mileage going up &down drastically?&cause lean when low &rich when giving revs? &performance is down!!please help
     
  2. Toyotec

    Toyotec CGTI Committee - Happy helper at large Admin

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    Good morning.

    With modernish cars like yours, errors states and clues leading to causes can be found out via a scan of the power train.

    These are not old simple carburettor vehicles.
     
    Adam peachey likes this.

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