P0071
Ambient Air Temperature Sensor Circuit A Range/Performance
P0071 is an OBD-II diagnostic trouble code meaning: Ambient Air Temperature Sensor Circuit A Range/Performance. Common causes: ambient temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $11–56.
Symptoms
- Incorrect temperature readings on the dashboard
- Increased fuel consumption
- Floating idle speed
- Deterioration of vehicle dynamics
Causes
- Ambient temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- ECU malfunction
How to Fix
- Check the integrity of the sensor circuit
- Check the contacts in the sensor connector
- Replace ambient temperature sensor
- Check the operation of the computer
Related codes
Error P0071 by Vehicle Brand
FAQ
What does the P0071 code mean?
P0071 is an OBD-II diagnostic trouble code that indicates: Ambient Air Temperature Sensor Circuit A Range/Performance
What causes a P0071 error code?
The most common causes of P0071 include: Ambient temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; ECU malfunction.
How do I fix a P0071 diagnostic trouble code?
To fix P0071: Check the integrity of the sensor circuit. Check the contacts in the sensor connector. Replace ambient temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0071?
Limited driving only, diagnose soon
How much does it cost to fix P0071?
The estimated repair cost for P0071 is $11–56. Actual cost depends on your vehicle, location, and labor rates.
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