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Home >> Jeep >> 2005 >> Wrangler X, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 628 (Powertrain Diagnostic Procedures - DRIVEABILITY - NGC Symptoms & Diagnostic Tests (DTCS P0016 To P0563)) >> DRIVEABILITY - NGC - Diagnostic Tests >> P0071-Ambient Temperature Sensor Performance (Gas - NGC) >> When Monitored and Set Condition:

When Monitored and Set Condition:

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

When Monitored: Engine off time is greater than 480 minutes and Ambient Temperature is greater than 4 deg C (39 deg F).

Set Condition: After a calibrated amount of cool down time, the PCM compares the ECT Sensor, IAT Sensor and the Ambient Air Temperature Sensor values. If the Ambient Air Temperature Sensor value is not within -10 deg C (18 deg F) of the other two temperature sensor's. Two Trip Fault. Three good trips to turn off the MIL.

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