P0277
Cylinder 6 Injector A Circuit High
P0277 is an OBD-II diagnostic trouble code meaning: Cylinder 6 Injector A Circuit High. Common causes: cylinder 6 injector malfunction, open or short circuit in the injector wiring harness. Estimated repair cost: $56–167.
Symptoms
- Uneven engine operation
- Increased fuel consumption
- Misfire in cylinder 6
- Check Engine Light Illuminates
- Reduced engine power
Causes
- Cylinder 6 injector malfunction
- Open or short circuit in the injector wiring harness
- Problems with injector connectors
- Engine ECU malfunction
- Corrosion of contacts in the control circuit
How to Fix
- Check the resistance of the injector of cylinder 6
- Inspect the wiring harness and connectors for damage.
- Check the integrity of the injector control circuit
- Test the injector on the stand
- If necessary, replace the injector or repair the wiring harness
- Reset the error and check engine operation
Related codes
Error P0277 by Vehicle Brand
FAQ
What does the P0277 code mean?
P0277 is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Injector A Circuit High
What causes a P0277 error code?
The most common causes of P0277 include: Cylinder 6 injector malfunction; Open or short circuit in the injector wiring harness; Problems with injector connectors; Engine ECU malfunction.
How do I fix a P0277 diagnostic trouble code?
To fix P0277: Check the resistance of the injector of cylinder 6. Inspect the wiring harness and connectors for damage.. Check the integrity of the injector control circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0277?
Limited driving only, diagnose soon
How much does it cost to fix P0277?
The estimated repair cost for P0277 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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