Fault code index · low
P1171
Weak mixture - cylinders 1, 2, 3, 4, 5, 6
Weak mixture - cylinders 1, 2, 3, 4, 5, 6
Common causes
- System Too Lean - Banks 1 and 2
Quick checks
- Confirm freeze-frame and conditions when the code set
Typical fixes
- Check intake boots
- MAF
- fuel pump