Cylinder 4 Fuel Injector B Offset Learning At Min Limit

Where it lives

For P2C58, the part to look at first is the injector named here. The description of P2C58 puts it on cylinder 4.

Check these first

• A clogged cylinder 4 injector B flowing less than commanded
• Low fuel pressure at cylinder 4
• A cylinder 4 injector B that flows below its learned offset
• A worn cylinder 4 injector B nozzle

What to do next

1. Read cylinder 4 injector B offset on a scan tool
2. Check fuel pressure at the rail
3. Run a cylinder 4 injector B balance test
4. Clean or replace cylinder 4 injector B if it stays at the min limit
5. Relearn the injector B offset after service
6. Clear the code and retest

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