Common Symptoms
- Rough idle or engine misfire
- Check engine light illuminated
- Poor fuel economy
- Reduced engine power or hesitation
- Strong fuel odor from exhaust
- Engine may run on five cylinders
Most Likely Root Causes
- Faulty fuel injector on cylinder 6
- Damaged or corroded wiring harness to injector
- Shorted injector driver circuit in PCM
- Poor electrical connection at injector connector
- Internal PCM fault affecting injector driver
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Component Location
Cylinder 6 fuel injector is located at the sixth cylinder position in the engine firing order, mounted in the intake manifold or cylinder head.
Manufacturer Notes
Some vehicles may require PCM software updates if multiple injector circuit codes are present or if injector driver circuits fail repeatedly.
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