View Full Version : fault code


blue03wrx
08-03-2005, 06:34 PM
Check engine light recently came on had it checked out. The fault code that came back was P0171B bank 1 too lean.
Has anyone else had this occur?

Imprezer
08-03-2005, 06:53 PM
What mods do you have on your car?

blue03wrx
08-03-2005, 07:11 PM
i have an AEM cold air intake, HKS SSQV blow off valve, and bosal cat back exhaust.