Possible Causes
- The value of the signal measured by the engine control module is not plausible given the operating conditions
- Manifold absolute pressure sensor circuit, short circuit to ground, short circuit to power, open circuit, high resistance
- Mass airflow intake air temperature sensor circuit, short circuit to ground, short circuit to power, open circuit, high resistance
- Ambient air temperature sensor circuit, short circuit to ground, short circuit to power, open circuit, high resistance