Injector Circuit High - Cylinder 7
The P0282 code means the vehicle's onboard diagnostic system has detected: Injector Circuit High - Cylinder 7. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- hard
- Estimated cost
- $150 - $600 (parts and labor)
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Common Symptoms
- Check Engine Light on
- No fuel delivery to cylinder 7
- Engine misfire
- Lean exhaust from Bank 2
Probable Causes (Ranked by Likelihood)
- Open circuit in cylinder 7 injector wiring Very High
- Failed cylinder 7 injector (open coil) High
- Loose or disconnected connector Moderate
- PCM driver open Low
Step-by-Step Diagnostic Procedure
-
Measure injector resistance. Infinite ohms confirms open coil.
-
Check connector is fully seated.
-
Test wiring continuity from PCM to injector.
-
Swap injectors to confirm.
Frequently Asked Questions
Can a dead injector damage the engine?
A dead injector means no fuel enters that cylinder. The unburned air passes through the exhaust and can overheat the catalytic converter.
How do I access cylinder 7 injector?
On V8 engines, cylinder 7 may require removing the intake manifold for access, depending on the engine layout.
Is the injector connector universal?
No, injector connectors vary by manufacturer and engine type. Always use the correct connector style for your vehicle.
Sources
This page is built from documented references. Verify against your own service info before repair work.
P0282 on Diesel, EV & Equipment
The same code ID appears across other engines and platforms. The diagnostic flow varies by manufacturer — these are the platform-specific breakdowns:
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