DTC P1112: Intake Air Temperature (IAT) Circuit Intermittent
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
P1112 - INTAKE AIR TEMPERATURE (IAT) CIRCUIT INTERMITTENT
| Description: | Indicates the IAT sensor signal was intermittent. | ||
| Possible Causes: |
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| Diagnostic Aids: | Monitor the IAT PID on a scan tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DA . | ||