One day I was on the highway and the accelerator stopped working for like two seconds then came back. I then got off the highway and ended up at a stop light and the vehicle had an erratic idle, jumping up and down so I put it in park, and started to rev a little bit to prevent it from stalling. I pulled off the road and the vehicle shut off, I started it back up and everything was fine. I got it home and seen that I had a fuel rail pressure code P0193 and system too lean bank 2 P0174. I hooked up my scan tool and measured fuel trims, fuel pressure and MAF sensor readings. I will put a picture below. Looking at the data I know STFT isn’t supposed to be so high, also fuel pressure is way too high, usually it’s 39-40 PSI. MAF sensor readings also don’t seem right either. I assume I need either a fuel rail pressure sensor, a fuel filter or MAF sensor or all three? I should also state that after resetting the codes and starting up the vehicle is stalled within seconds, and I got the Fuel rail pressure code but not the bank 2 too lean code. Any help is appreciated.
Image (Click to make bigger)
SPONSORED LINKS
Monday, April 4th, 2022 AT 12:48 PM