DTC P009A: Intake Air Temperature/Ambient Air Temperature Correlation
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.
P009A - INTAKE AIR TEMPERATURE/AMBIENT AIR TEMPERATURE CORRELATION
| Description: | The DTC indicates that the intake air temperature (IAT) and ambient air temperature (AAT) sensor readings differ by greater than a calibrated value. | ||
| Possible Causes: |
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| Diagnostic Aids: | Make sure the IAT, AAT and engine coolant temperature (ECT) sensor readings are within 18°C (32.4°F) of each other after 6 to 8 hours at a stabilized ambient temperature. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DA . | ||