Cylinder 10 Injector A Circuit High

Where it lives

For P0289, the injector sits on the circuit this code reports. The description of P0289 puts it on cylinder 10.

Check these first

• A short to voltage in the injector 10 control wire
• High resistance in the injector 10 circuit
• A faulty cylinder 10 fuel injector
• Corrosion in the injector 10 connector
• A failed injector driver in the PCM

What to do next

1. Ohm test injector 10 and compare to the other injectors
2. Backprobe the injector 10 control wire for a pulse with a noid light
3. Inspect the injector 10 wiring for a short to voltage
4. Check for corrosion in the injector 10 connector
5. Test the PCM injector driver if the wiring and injector are good
6. Clear the code and retest

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