Cylinder 1 Fuel Injector A Offset Learning At Max Limit

Where it lives

For P02CD, the part to look at first is the injector named here. The description of P02CD puts it on cylinder 1.

Check these first

• A clogged injector on cylinder 1
• A weak injector 1 coil
• Corrosion at the injector 1 connector
• Low fuel pressure from a weak pump
• An ECM calibration that needs an update

What to do next

1. Read the injector offset learning value for cylinder 1
2. Compare cylinder 1 offset against the other cylinders
3. Check fuel pressure at the rail
4. Inspect the injector 1 connector and wiring
5. Clean or replace the cylinder 1 injector if it reads off
6. Clear the code and retest

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