Injector Circuit High - Cylinder 11
The P0294 code means the vehicle's onboard diagnostic system has detected: Injector Circuit High - Cylinder 11. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $200 - $800 (parts and labor)
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Common Symptoms
- Check Engine Light on
- No fuel to cylinder 11
- V12 engine misfire
- Reduced power
Probable Causes (Ranked by Likelihood)
- Open circuit in cylinder 11 wiring Very High
- Failed injector (open coil) High
- Disconnected connector Moderate
- PCM driver open Low
Step-by-Step Diagnostic Procedure
-
Measure injector resistance.
-
Check connector.
-
Test wiring continuity.
-
Replace injector if wiring is intact.
Frequently Asked Questions
Can a V12 run on 11 cylinders?
Yes, but with reduced performance and potential exhaust system damage. V12 engines are smoother, so a single-cylinder misfire may be subtle at first.
Is P0294 an emergency?
Not immediately, but repair promptly to prevent catalytic converter damage.
Do exotic cars use standard OBD-II codes?
Yes, all vehicles sold in the US after 1996 use standard OBD-II codes, including exotic and luxury brands.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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