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  • P0236 MAP Sensor Too High Too Long

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    Mopar1973Man

    P0236 MAP SENSOR TOO HIGH TOO LONG

    When Monitored and Set Condition:

    When Monitored: Ignition on.
    Set Condition: The intake air pressure is above a calibrated value past a calibrated amount of time.

    POSSIBLE CAUSES

    • OTHER CODES
    • INTERMITTENT CONDITION
    • MAP SENSOR
    • INTERMITTENT CONDITION

    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. Are there any other MAP Sensor related DTC's.
      Yes --> Repair other MAP Sensor DTC's. Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).
      No --> Go To 2
    2. Start the engine. With the DRBIII®, read the MAP Sensor voltage. Is the pressure reading of the MAP sensor less than 35.85 in Hg?
      Yes --> Go To 3
      No --> Replace the MAP Sensor. Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).
    3. Operate the engine under normal driving conditions (no load) for at least 30 seconds. Monitor the MAP sensor reading with the DRBIII®. Did the pressure reading from the MAP sensor go above 22.5 in Hg for more than 2.5 seconds?
      Yes --> Replace the Map sensor. Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).
      No --> Refer to the SYMPTOM: INTERMITTENT CONDITION. Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

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