P1315 – Injector Circuit Low (Bank 2)
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Symptoms
- Misfire
- Rough idle
- Weak acceleration
- Check engine light
Causes
- Short to ground
- Damaged wiring
- Faulty injector
- Connector corrosion
Diagnosis
- Check wiring
- Measure voltage
- Inspect connector
- Scan ECU
Repair
- Repair wiring
- Replace injector
- Clean connector