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where does the obd2 scanner plug into?
the guy at advance auto couldnt find it and i looked for about 10 min and couldnt find it.trying to get a code read because i have a rough idle since i put a flex pipe on my car.hoping thats all that it is ,maybe a decrease in back pressure? im pretty much straight piped except for the skunk 2 iniversal muffller.Thanks in advace.
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