1998 Volvo WIA Random high idle

Discussion in 'Volvo Forum' started by Problematique, Sep 27, 2022.

  1. Problematique

    Problematique Bobtail Member

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    Mar 15, 2020
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    Hey guys I'm trying to figure out why my idle wants to jump up and sit at almost max and then go back to normal randomly when just sitting and PTO on. I've changed the throttle position sensor. What else could be the culprit? This has the D60 engine.
    Thanks.
     
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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    May 2, 2021
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    Tough one to guess. Laptop would rule out, or confirm several possibilities in minutes. TPS counts and % first.
     
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