so my check engine light is on and i got it checked at it read 171 and said its running lean, the guy gave me one way to see if i can fix it by cleanin the diode in my MAF sensor, and the car runs back ot stock form(APR 93 octane chip) it wont go over 7 psi and it runs very shitty

 

just out of curiosity, are you recirculating your bov?...

sorry to hear abou the CEL... sound like you are in limp mode...

I'm sure someone will have a better Idea of what to do...

gl!

 

P0171 = system too lean, bank 1 probable cause, intake/exhaust leak, AIR system, MAF sensor, fuel pressure/pump, injectors, O2 sensor.

im going for an air leak so check the vacuum pipes and AIR system for failed/split pipes