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chewmasey said:
Ok I opened up my isc today and guess what?? lol I installed the check valve backwards! So I turned it around and voila starts up and idles without stalling! Now I gotta adjust the tps and idle screw, I tried turning the tps all the way down but Im getting misfiring like crazy and the car runs rough. Im guessing I have to adjust the idle screw.

You have to adjust the tps voltage to get it right. See tsrm for the procedure, fairly easy.
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