P0071
Ambient Air Temperature Sensor Range/Performance
Generic code
Fuel and Air Metering
High severity
Moderate repair
Free on OBD DashX
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What P0071 means
- The fault code P0071 indicates that the ambient air temperature sensor is not performing within the expected range, which may result in issues with the engine's performance and fuel efficiency.
Possible symptoms
- Illuminated check engine light
- Inaccurate temperature readings on the vehicle's display
- Issues with the engine's performance and fuel efficiency, such as reduced power or acceleration, or poor gas mileage.
Possible causes
- Failed ambient air temperature sensor
- Damaged or faulty wiring in the sensor circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Ambient Air Temperature Sensor: This is usually located in the air inlet. It measures the outside air temperature. Problems here lead to engine stalling, lack of power and a noisy engine
Possible solutions
- Replace the ambient air temperature sensor
- Check and repair any damaged or faulty wiring in the sensor circuit
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
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P0071 on OBD DashX
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