Injector Circuit - Cylinder 10
The P0289 code means the vehicle's onboard diagnostic system has detected: Injector Circuit - Cylinder 10. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $150 - $700 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Engine misfire on cylinder 10
- Vibration and rough running
- Power loss
Probable Causes (Ranked by Likelihood)
- Faulty cylinder 10 fuel injector Very High
- Wiring damage High
- Connector fault Moderate
- PCM driver failure Low
Step-by-Step Diagnostic Procedure
-
Check for additional misfire codes.
-
Measure injector resistance.
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Inspect wiring and connector.
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Swap injector to diagnose.
Frequently Asked Questions
Where is cylinder 10?
Cylinder 10 is the last cylinder on V10 engines. On Ford V10s it is typically on the driver side rear. On transverse V10s, consult the firing order diagram.
Is P0289 only on V10 engines?
Primarily yes, though some V12 engines also use cylinders numbered 10 through 12.
Does a V10 misfire feel different?
A V10 misfire may be less noticeable than on a V6 or V4 because the engine has more cylinders to compensate, but it will still be detectable.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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