feaky

Hello, I drive a 2009 Lexus gs350 161000 miles on it and today the cel and trac lights turned on so went to my local autozone and they gave me these codes:

P0172 and P0175 which are system too rich on both banks and P1170 which is the fuel performance/port injector.

They also gave a list of probable causes for the MAF sensor, faulty heated oxygen sensor, ECT sensor fault or fuel injector or pressure regulator leaking.

I went ahead and bought a MAF and air filter just in case but I'm curious to know if anyone else has had this problem and how it was fixed.

EDIT: Just turned on the car and the warning lights went off, not sure if I should bother returning the MAF if it's a system error or just go ahead and replace it.

XxGoKoUxX

I'd return the MAF sensor and probably clean your current one.

Have you done any mods whatsoever to your car? (performance-wise)