Torque Cars

Impreza wrx back firing problems!!!

Discussion in 'Impreza' started by GTLUPO, 3 June 2008.

  1. GTLUPO

    GTLUPO Full member

    Messages:
    10
    ive a problem with my wrx 97 jumping then making a big bang as it back fires ive been told to clean out the standard boost controller which i did but it still did it and now ive realised it only starts doing it when it warms up
    any help would be great
     
  2. obi_waynne

    obi_waynne Administrator Staff Member Moderator

    Messages:
    41,345
    From:
    Deal, Kent UK
    Car:
    A3 1.4 TFSI 150 COD
    Sounds like the timing is out and it is running rich. Has it been cammed/remapped? You really need to get this on a computer and see what the engine is doing when it happens.

    One thing to check is the teeth on the cam pulleys/belt are properly lined up - one tooth out can cause problems and stop you hitting the power.
     
  3. mauricebharvey

    mauricebharvey Newbie

    Messages:
    3
    From:
    New Zealand
    Car:
    1993 Subaru Impreza
    I would start with a new crank sensor and new spark plugs and try another set of injectors...
     
    obi_waynne likes this.
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