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Focus 99 1.8 Engine Revving When Idle

paul1983
paul1983
in Ford Focus Club

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hi im new to all this i have had my focus roughly 8 weeks and over the last few days it has started to run like a bag if spanners at first i thought it might be the plugs and leads so i replaced them yesterday but to no effect. now as eoi was coming home from work last night when i depressed the clutch the engine revs went up to 1500/2000 rpm as i dont know much about cars any help would be grateful on this i have looked at a few forums online with people saying they removed the battery terminals for 30 mins and that cleared the problem so i tryed that still no effect. other people have said it could be the idle air control valve but i have no idea were to locate this and if it is a hard job to remove and clean plz plz plz can someone help

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    Could be an ISCV issue, they are located on the back of the engine attached to the inlet manifold & has a 2 pin wiring plug going to it. Easier to access from underneath the car.

    A clean out with brake/carb cleaner may do the trick but you might have to replace it.

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    • Like 1

    Yes, I had the same issue and my wire was broken, fixed the wire placed it back on and worked, so AdeMk1 is right.

  • Quote
    • Author

    hi i have just tryed to look at the ISCV and the 2 wires going to it seem to be in tacked so now it looks like im going to have to try and remove it to give it a clean

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