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  • P0234 Turbo Boost Limit Exceeded

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    P0234 TURBO BOOST LIMIT EXCEEDED

    When Monitored and Set Condition:

    When Monitored: While running.
    Set Condition: The intake air pressure is above a calibrated value for a calibrated amount of time.

    POSSIBLE CAUSES

    • OTHER DTC'S
    • WASTEGATE STUCK

    DIAGNOSTIC PROCEDURE

    NOTE: Refer to VERIFICATION TESTS for appropriate verification test procedures.

    1. Turn the ignition on. With the DRBIII®, read the Engine DTC's. Do you have additional Boost Pressure related faults?
      Yes --> Repair other boost related DTC's first.
      No --> Go To 2
    2. Turn the ignition on. With the DRBIII®, go to the Freeze Frame screen record all data. With the DRBIII®, read DTCs. Operate the vehicle in the Freeze Frame parameters. Did the DTC P-0234 return?
      Yes --> Replace the Wastegate.
      No --> Test Complete.

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