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started her up tonite after work, and she was idling slightly higher than normall, about 1k, it was abit cold so i thought ok. Drive it down the road, Up the gears to 4th now I became aware that I didnt even need any throttle, the car was driving itself at about 1500rpm. Weird... Ive had it before. Keep driving cos I cant pull over anywhere, back off the throttle and it takes about 3secs before the car backs off. Now get to the traffic lights and the things idling like a div.... up to 1500, down to 500, back up, down, up... etc. Sound like a bellend sat there with a loud exhaust reving up an down.... any ideas?? Sorts itself out if you shut it off a couple of times. But driving it is hard, cos it thinks its gonna stall so it revs up, when u slowing down!!! :) bentness

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have you done the most talked about thing on this forum historically and checked your idle stabilisation valve (ISV), my car did the strangest thing before i sorted the isv out, the last time it went wrong I would start it and it was idling like someone was sat in it blipping the throttle, it was hilarious but slightly worrying!! ;-) is yours obd1 or obd2

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yeah, sounds like the ISV needs a clean...if its an obd1 car of course (obd2's don't have it!). so upto and inc m plate.

sometimes cars can drive themselves at upto 1500rpm if they're really cold...its the auto choke (or ecu doing the same thing)

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