16558/P0174
From Ross-Tech Wiki
Table Of Contents
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1.
16558/P0174 - System Too Lean, Bank 2
- 1.1.1 Possible Symptoms
- 1.2.1 Possible Causes
- 1.3.1 Special Notes
16558/P0174 - System Too Lean, Bank 2
Possible Symptoms
- Irregular behaviour
Possible Causes
- Fuel system
- Excessive fuel pressure
- Leaking or contaminated fuel injectors
- Leaking fuel pressure regulator
- Low fuel pressure or running out of fuel
- Vapor recovery system
- Air leaks after the MAF
- Vacuum leaks
- Improper seated engine oil dipstick
- Stuck EGR valve
- Oil overfill
- Cam timing
- Cylinder compression
- Exhaust leaks before or near HO2Ss.
Special Notes
Also see: Fuel Trim Info