Question about 2001 Daewoo Lanos

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Car revs when sitting idle - 2001 Daewoo Lanos

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  • besb72 Aug 12, 2008

    We had the same problem with our 2000 lanos revving quite high when idling so we replaced TPS(throttle position sensor) but this did not solve the problem. Our garage has disconnected the stepper motor so that the revs weren't so bad but now we have problems when starting it in the after leaving it can anybody please help

  • thebreezmaz Aug 12, 2008

    my 1998 daewoo leganza keeps revving when in park or neutral position

  • tccool Jan 07, 2009

    yes i have the same problem,checked everything i dont know,who knows

  • Anonymous Apr 29, 2009

    Just been to a dealership that looks after Daewoos, and they used the engine diagnostics (Engine Management Light was on) and they have advised a new Stepper Motor (Cost £150 inc. labour).

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I've just had the same problem and have replace my Idle Control Valve and now is running perfectly - part only £25 second hand and easy enough to replace. Hope this helps

Posted on Jan 09, 2009

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Most likely a TPS (throttle position sensor) . Most likely you would have to have the dealer or a shop with a computer scan tool replace it.

Posted on Aug 09, 2008

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SOURCE: engine idle sits at 1200 revs , and surges past

i think there's an air leak in your brake booster. Just try to disconnect the vacuum hose going to your brake booster and plugged it use a vise grip to press it. The idle shld go down if there's an air leak

Posted on Feb 09, 2010

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