Thank you for your time.

The surprising thing is that the o4 p0452 sensor is on top of the fuel tank but the 07 sensor is no where to be found. Could that be the same as the purge valve? or do you know where the sensor can found on the 07? could that be attached to the fuel pump rather?

The 04 codes are P0301, p0302, p0303 and p0304

for the 07 code p0452, yes disconnected the battery and I also use a scanner to erase it but nothing happens.

Hello there. (1) I have 2004 awd Pontiac vibe with 204,000 miles. Recently, I have all the 4 cylinders misfire. So I replaced the throttle body, vvt solenoid , cam sensor, plugs and the coils. All those couldn’t help. The timing might have screwed up but not sure yet (2) I just bought 2007 fwd Ponti...