P1169 ISUZU - Fuel System Rich During Deceleration Fuel Cut-Off Bank 2
- Leaking fuel injector (s)
- High fuel pressure
- Failed fuel pressure regulator
- Faulty Oxygen Sensor 1
- Oxygen Sensor 1 harness is open or shorted
- Oxygen Sensor 1 circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
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