P0277

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

1. Check the resistance of the injector of cylinder 6
2. Inspect the wiring harness and connectors for damage.
3. Check the integrity of the injector control circuit
4. Test the injector on the stand
5. If necessary, replace the injector or repair the wiring harness
6. Reset the error and check engine operation

Related codes

Error P0277 by Vehicle Brand