Error Code P0172

Discussion in 'General Motoring' started by Russell Lombardo, Sep 4, 2006.

  1. Russell Lombardo

    Russell Lombardo Guest

    Our 2001 PT Cruiser check engine light is on and the car is idling roughly
    and has poor low-speed throttle response. The error code is P0172 that
    states the oxygen sensor reports the air/fuel mixture is too rich and the
    computer tries to add more air to compensate.

    The gas mileage is pretty bad, ~15 mpg, at the last fill-up. The local
    dealer wants to replace the fuel pump for $700. He said the fuel pressure
    is too high, but when I checked the manual, it was within 2-3 psi of the
    stated specification.

    Does anyone have any suggestions? Would another oxygen sensor correct the
    problem?

    Thanks,

    - Russ
     
    Russell Lombardo, Sep 4, 2006
    #1
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