Common Symptoms
- Check Engine Light illuminated
- Rough idle or engine misfire
- Poor acceleration or hesitation
- Increased fuel consumption
- Engine runs rough under load
- Black smoke from exhaust
Most Likely Root Causes
- Faulty fuel injector on cylinder 6
- Damaged or shorted injector wiring harness
- Corroded or loose injector connector
- Failed injector driver circuit in engine control module
- Chafed wiring causing short to voltage
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Component Location
Cylinder 6 fuel injector is located on the cylinder head at the number 6 cylinder position, with wiring routed to the engine control module.
Manufacturer Notes
Some manufacturers have known issues with injector harness chafing near the valve cover causing intermittent high circuit codes.
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