P02F9
Cylinder 12 Injector Circuit Range/Performance
P02F9 is an OBD-II diagnostic trouble code meaning: Cylinder 12 Injector Circuit Range/Performance. Common causes: malfunction of the injector of the 12th cylinder, open or short circuit in the injector wiring harness. Estimated repair cost: $56–167.
Symptoms
- Misfire in cylinder 12
- Unstable idle
- Reduced engine power
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Malfunction of the injector of the 12th cylinder
- Open or short circuit in the injector wiring harness
- Poor contact in the injector connector
- ECU malfunction
- Problems with power or grounding of the injector circuit
How to Fix
- Check the resistance of the injector of the 12th cylinder
- Inspect the wiring harness and connectors for damage.
- Check the voltage and continuity of the injector circuit
- Test the operation of the injector on a stand
- If necessary, replace the injector or repair the wiring harness
- Reset the error and check engine operation
Related codes
Error P02F9 by Vehicle Brand
FAQ
What does the P02F9 code mean?
P02F9 is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Injector Circuit Range/Performance
What causes a P02F9 error code?
The most common causes of P02F9 include: Malfunction of the injector of the 12th cylinder; Open or short circuit in the injector wiring harness; Poor contact in the injector connector; ECU malfunction.
How do I fix a P02F9 diagnostic trouble code?
To fix P02F9: Check the resistance of the injector of the 12th cylinder. Inspect the wiring harness and connectors for damage.. Check the voltage and continuity of the injector circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P02F9?
Limited driving only, diagnose soon
How much does it cost to fix P02F9?
The estimated repair cost for P02F9 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat