bluedragon10
Member
- :
- 2010 speed3
P0171 System too lean ( bank 1 ). My car is a 2010 speed3. the set up i am running right now is PG inlet and intake, hks bov ( recirculating ). I recently put the stock parts on to get the oil changed at the dealership, no cel at this time. about 6 days ago i put the upgrades back on. the cel has been turning on and off intermittently, it was off for about 5 days then just yesterday it came back on. The car runs fine, I havent noticed any power loss. Does any1 have a solution. PLEEEASE HELP!!!!(sad2)