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Discussion Starter · #1 ·
Hey I need a bit of help. I was getting ready to put my new header on and put a little penetrating oil on the threads of my O2 sensor. I also unplugged it from the plastic connector on the other end of the wires.

On my way to the store to get tools the check engine light came on a few times.

Did I screw it up?
Will it go away?


Erik, 94 Classic with goodies
"She may not look like much, but she's got it where it counts, kid."
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