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Idling trouble in magna?

Discussion in 'The Pub' started by Stranger, Jul 27, 2006.

  1. Stranger

    Stranger New Member

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    I have a 91 mitsubishi magna.

    Now when Im stopped at traffic lights, i can hear the engine whir up and down.

    When I put it on park and pull the handbrake up, the RPM goes from 1 to 1.7 to 1 to 1.7 and so forth.

    Is this normal?

    Or is it a problem.
    If its a problem, what is it, and is it easy to fix (have fixed)
     
  2. fitzy2005

    fitzy2005 New Member

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  3. Stranger

    Stranger New Member

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    Lol aware of those guys aswell, however the broader the horizon the better.

    at the end of the day, whether its a holden, a ford, or a mitsubishi, its still a car, and some people have the know how about damn all :)
     
  4. Stretchomatic

    Stretchomatic New Member

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    can the heater or air con make this happen?
    maybe its blocked air intake or something, like it has to whir up to suck harder or something, maybe check filter and what not...
     
  5. davey g-force

    davey g-force I'm a sceptic...

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    You poor thing! ;)

    (sorry, I couldn't resist...)
     
  6. vy_storm

    vy_storm just another moderator... Staff Member

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    Moved to the pub..... not general commodore related.....
     
  7. bangers

    bangers New Member

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    TPS is probably what it is.
     
  8. vlv8vic

    vlv8vic <---Brad Quaid = internet stalker

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    pulled this from a site i use a bit, mentioned above, for the girlfriends magna.

    "ISC = Idle Speed Control motor, this could be stuffed. A quick way to check this is to turn on your A/C when the car is running, do your revs raise to compensate for the power loss? If not, chances are your ISC is stuffed.

    www.nardek.com.au (I think) has them for about 250, but you can source then cheaper elsewhere, I just cant remember where

    TPS could be set wrong, if it's too low this usually results (well this is what it did for me anyway) in constant revving when at what should be idle, like you're sitting there trying to egg someone on to drag you at the lights."

    TPS is the throttal position sensor in case the thorough post from bangers wasnt helpful enough lol.
     

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