P1422
Exhaust Gas Ignition Temperature Sensor
P1422 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Ignition Temperature Sensor. Common causes: exhaust ignition temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine operation at idle
- Increased level of harmful emissions
Causes
- Exhaust ignition temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Mechanical damage to the sensor
- Wiring problems or contact corrosion
How to Fix
- Check the integrity of the sensor and its connection
- Check the condition of the wiring and connectors
- Measure the sensor resistance (compare with the norm)
- Check the voltage in the sensor circuit
- Replace sensor if necessary
Related codes
Error P1422 by Vehicle Brand
FAQ
What does the P1422 code mean?
P1422 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Ignition Temperature Sensor
What causes a P1422 error code?
The most common causes of P1422 include: Exhaust ignition temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Mechanical damage to the sensor.
How do I fix a P1422 diagnostic trouble code?
To fix P1422: Check the integrity of the sensor and its connection. Check the condition of the wiring and connectors. Measure the sensor resistance (compare with the norm). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1422?
Yes, but get it checked soon
How much does it cost to fix P1422?
The estimated repair cost for P1422 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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