Cylinder 1 Injector A Circuit Low

Where it lives

For P0261, the injector sits on the circuit this code reports. The description of P0261 puts it on cylinder 1.

Check these first

• A faulty cylinder 1 fuel injector
• A short to ground in the injector 1 control wire
• An open in the injector 1 circuit
• Corrosion in the injector 1 connector
• Low fuel pressure starving the injector

What to do next

1. Ohm test injector 1 and compare to the other injectors
2. Backprobe the injector 1 control wire for a pulse with a noid light
3. Inspect the injector 1 connector and harness for corrosion or a short
4. Check fuel pressure at the rail
5. Replace injector 1 if its coil is open or shorted
6. Clear the code and retest

Look up another code