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Fast Idle from nowhere!

Discussion in '1st Gen. Tacomas (1995-2004)' started by toco66, Jul 9, 2009.

  1. Jul 9, 2009 at 5:32 AM
    #1
    toco66

    toco66 [OP] Member

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    I have a 2001 Taco, 106,xxx miles. I was on vacation for 2 weeks so the truck sat. Since I've been back, it has been constantly idleing at 1200-1300 rpm's, even after driving for an hour or so. I'm not sure where to start to diagnose the problem. FYI, I haven't done the timing belt yet, due to get that done in a month or so, could that be related?
     
  2. Jul 13, 2009 at 5:14 AM
    #2
    toco66

    toco66 [OP] Member

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    No one?
     
  3. Aug 9, 2009 at 10:28 AM
    #3
    XBrown

    XBrown Spartacus!

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    If it idles high and rough, I'd say you might have a vacuum leak. Or the idle air control pintle got gunked up and jammed open. I would also try cleaning off the mass airflow sensor. Beyond this, having a scan tool would be helpful.

    And unless you jumped a tooth on one of the camshafts, which you would definitely notice, I doubt an old timing belt would do this.
     
  4. Aug 11, 2009 at 7:00 AM
    #4
    toco66

    toco66 [OP] Member

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    Thanks for the reply. It has since gotten better on its own, I'm not sure if it was just bad gas or what. The idle still surges a little, so I'm planning on getting some seafoam when I have some time.
     
  5. Aug 11, 2009 at 7:19 AM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
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    Check your vacuum lines before you run any seafoam thru the engine.
     
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