18609/P2177/008567
From Ross-Tech Wiki
18609/P2177/008567 - Bank 1; System Too Lean off Idle
18609/P2177/008567 - Bank 1; System Too Lean off Idle: Upper Limit Exceeded
Possible Symptoms
- Malfunction Indicator Ligh (MIL) active
Possible Causes
- Fuel Pump (G6) faulty
- Mass Air Flow (MAF) Sensor (G70) faulty
- Intake System leaking
- Exhaust System leaking
- Wrong Fuel Pressure Sensor (G247) on Fuel Rail
- MAF sensor air flow disruption
Possible Solutions
- Check Mass Air Flow (MAF) Sensor (G70)
- Check Fuel Pump (G6)
- Check Fuel Injectors
- Check Intake System
- Check Exhaust System
- Confirm correct Fuel Pressure Sensor (G247) part number