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00 4runner stalling at idle!

Discussion in '3rd Gen 4Runners (1996-2002)' started by tpham18nm, Mar 14, 2017.

  1. Mar 14, 2017 at 7:25 PM

    tpham18nm [OP] New Member

    Aug 16, 2016
    This 4runner is driving me nuts! So the symptoms are:

    1) Stalling at idle in "drive" at operating temperature.
    2) idle fluctuating in park from 900-approx 550-600. Sometimes stalls!

    The truck runs and drives just fine. Does not seem like it is misfiring or underpowered. Only problem is during its idle. The engine stalls after about 3-5 minutes of idling, sometimes sooner.

    So far I've replaced the:
    PCV valve
    Spark plugs
    Air filter

    I cleaned:
    MAF sensor
    Throttle bodies

    Everything looks as if it is in good shape. The IACV valve wasn't dirty and PCV valve rattled just fine..

    No check engine light on. The most recent light was the P0441. I changed the gas cap and deleted the light, it hasn't came back in about 500 miles.

    Any ideas?

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