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Messages - ThunderFox

61
Engine Tech / KOER Code 42 Opinions
I didn't get a chance to take a look at this over the weekend. Does anyone have a diagram or description of where the O2's are on my car? The Haynes manual(mostly horrible) does not even list them. Are they right after the exhaust manifold on each side?

Thanks!
62
Engine Tech / KOER Code 42 Opinions
Quote from: MY83T;432195
I have the exact same condition/issue on my 87 5.0 Cougar XR-7......i am interested in this as well......  Welcome to the forum, where in NY are you?

Thats strange, at least its not some off the wall issue. Im in Westchester.

Quote
You got any codes showing up KOEO?

No codes for KOEO.
Thanks for the info on the O2 test. I will give that a try. I actually picked up a couple of O2's on closeout from Rockauto for $8 each just in case thats the problem, but I'm wondering if maybe theres a leaking injector or something. We shall see...
63
Engine Tech / KOER Code 42 Opinions
Hi guys, I just picked up an '86 T-Bird with the 5.0. The car runs great except for the service light being on for about the first 10 minutes of driving. After that it goes away, but if I shut the car and start it right back up, the light is back. If I don't drive the car for a few days it even has a little bit of a miss/stumble within those first 10 minutes. I did a full ignition tune up when I got it, so I know it's not that.

I see different descriptions of the code, some say it's an O2 sensor problem but others indicate a rich condition. What do you guys think and what would be the be the best way to attack this?

Thanks! Been searching around the forums gaining some info. Not totally new to the game, I had a 1990 Mark VII SE a few years ago.