This post is for a buddy's 2002 gt 4.6. Already changed fuel filter.The cel cleared for a few days and came back on, idle is rough, not really a noticable power loss,but idles like ****????Idle air sylanoid maybe? throttle pos. sensor?? ideas???

 

its giving it for both banks, says lean condition.it has 70,000 fuel pump?

 

bump this is actually a tech question.

 

bump
c'mon guys

 

P1131 is an O2 sensor code. Check both front O2 sensors to make sure they're working properly. I just had the same code and had to buy a new one, CEL no longer comes up.