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P0234 Turbo Boost Limit Exceeded

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By Mopar1973Man

· 1,656 views

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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