DTC P0127: Intake Air Temperature (IAT) Too High
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
P0127 - INTAKE AIR TEMPERATURE (IAT) TOO HIGH
| Description: This DTC sets when the intake air temperature 2 (IAT2) sensor has detected a concern in the charge air cooler (CAC) system. | |||
Possible Causes:
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| Diagnostic Aids: Monitor the IAT2 PID. A typical IAT2 temperature should be greater than the IAT temperature. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DU . | ||