P0290 - Injector Circuit Low - Cylinder 11

Cylinder 11 injector circuit signal is lower than expected.

Code Overview

Cylinder 11 injector circuit signal is lower than expected.

Common Causes

• Failed injector on cylinder 11
• Damaged wiring or connector at injector 11
• Fuel pressure or cylinder mechanical problem affecting injector contribution

Diagnostic Steps

1. Inspect injector 11 connector, wiring, and resistance
2. Check injector command and fuel pressure if possible
3. Compare cylinder contribution and look for related misfire codes

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.