Fault codes › P015C
P015C
Oxygen Sensor Delayed Response Rich to Lean Bank 2 Sensor 1
Generic code
Fuel and Air Metering
Medium severity
Moderate repair
Free on OBD DashX
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iWhat P015C means
- The response of the voltage signal from the oxygen sensor takes more than the specified time
!Possible symptoms
- Vehicle may idle or run rough
- Possible higher fuel consumption
- Engine Surge
- Vehicle may not shift at all
?Possible causes
- Faulty Front Heated Oxygen Sensor Bank 1
- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
⚙Related parts
- Oxygen Sensor: This is one of the parts that fails very commonly. It measures the amount of oxygen to ensure proper combustion. Problems in the Oxygen Sensor lead to poor fuel economy
✓Possible solutions
- Replacing the O2 Sensor 1 usually takes care of the problem
- Checks the O2 sensor wiring and the harness connections for any corrosion. Repairs or replaces any connections with problems