hey guys , my car wont go past 4000 rpm , the check engine light came on and i pluged in the scan tool and it was the o2 sencor so i fixed it but know its back on and the car idels at really low rmp and it will not go past 4000rpm.????
clogged cat. Had the same problem. how many miles you got? i think mine went out right around 115k miles. i couldn't go past 50 mph without the car wanting to sputter to a stop.