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the CEL light came on today:???: got codes of 132 & 551 on the scan tool, & 65 & 21 doing the ignition & odo trick. from what i can tell it says left o2 voltage high & power steering switch. for some background info: 1997 tj, 90,000miles, 2.5 & 5sp. just replaced the upstream o2 sensor about...

my 97 started bucking on me one day, just started flooring it just to make it go. it would just buck & backfire. check engine light came on, but luckily i had my trusty code scanner in the glove box. it was the upstream o2 sensor. if i turned off the ignition it would run good for about 2-3...

thanks, i didn't want to keep taking crap apart looking for a non-existant item.

i have have a 97 tj with the the 4-banger, does it actually have the air restrictor installed on it? i removed the tube that goes from the air filter box to the box over the throttle body & it looked clear. i installed a k&n & dremeled out the front facing section of the air filter box to make a...