P164A
O2 Sensor Positive Current Trim Circuit Performance Bank 1 Sensor 1
P164A is an OBD-II diagnostic trouble code meaning: O2 Sensor Positive Current Trim Circuit Performance Bank 1 Sensor 1. Common causes: oxygen sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Increased fuel consumption
- Unstable engine operation at idle
- Check Engine Light Illuminates
- Reduced engine power
- Increased emissions of harmful substances
Causes
- Oxygen sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Corrosion of electrical connections
- Engine control unit malfunction
How to Fix
- Check the condition of the oxygen sensor
- Inspect the sensor circuit for damage
- Check connectors and contacts for oxidation
- Test sensor parameters using a scanner
- If necessary, replace the oxygen sensor
Related codes
FAQ
What does the P164A code mean?
P164A is an OBD-II diagnostic trouble code that indicates: O2 Sensor Positive Current Trim Circuit Performance Bank 1 Sensor 1
What causes a P164A error code?
The most common causes of P164A include: Oxygen sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corrosion of electrical connections.
How do I fix a P164A diagnostic trouble code?
To fix P164A: Check the condition of the oxygen sensor. Inspect the sensor circuit for damage. Check connectors and contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P164A?
Yes, but get it checked soon
How much does it cost to fix P164A?
The estimated repair cost for P164A is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat