Revs dropping to 500rmp on idle

Discussion in 'Technical' started by JRhys, Nov 11, 2014.

  1. JRhys

    JRhys Member

    Had an issue where there was a leaking fuel pipe which caused the engine to stutter when idle.

    Tightening would allow ensure the idled at 900-1000rpm so when it went to the garage to have some bits done I had them replace the hose and clamps and it seemed to fix the issue (no fuel smell inside car and a steady idle)

    but now when the car pulls up at lights etc. and idles it dropping to 5-600 rpm, feels as though its about to stall and then corrects itself.

    I'm planning to give the car a service, check the plugs, fuel filter etc.

    just wondering what else I should check and if anyone has encountered this issue before?
     
  2. JRhys

    JRhys Member

    Looks like this could be a boost leak or TPS related from what I have read so far.
     
  3. Fists

    Fists Well-Known Member

    Can also be a poor connection or malfunctioning auxiliary air control (AAC)
     
  4. JRhys

    JRhys Member

    kool, where is that located?
     
  5. Fists

    Fists Well-Known Member

    its one of the square plugs at the back of the plenum near the battery, I think the connector is red, if you haven't replaced your loom its probably brown.
    http://z32.wikispaces.com/Idle+Control
     

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