Hey all, I'm running a 2007 Kia Spectra 2.0. I recently started getting a check engine light with the code P0170. Googling gives me P0170 Fuel Trim Malfunction (Bank 1) - fuel trim malfunction. It does have a rough idle but has not stalled.
I've gone through everything listed short of changing the O2 sensors. I've checked and cleaned the MAF, all looked good and made no change. I've checked for and vacuum leaks and could find none. I checked the PCV valve and it is functioning *note: I previously attempted to change the valve and the bass female fitting stays attached to the valve and spins in the plastic manifold cover. It is tight however and not leaking. Before I drop the $200+ and change both O2 sensors, has anybody else dealt with this issue or have any suggestions? Thanks in advance!
I've gone through everything listed short of changing the O2 sensors. I've checked and cleaned the MAF, all looked good and made no change. I've checked for and vacuum leaks and could find none. I checked the PCV valve and it is functioning *note: I previously attempted to change the valve and the bass female fitting stays attached to the valve and spins in the plastic manifold cover. It is tight however and not leaking. Before I drop the $200+ and change both O2 sensors, has anybody else dealt with this issue or have any suggestions? Thanks in advance!
