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Simply change the plugs(if it needs them), oil & filter, pull air cleaner out, & then remove PCV from valve cover & just let it lay on top of it. what this will do is, bring cleaner air into the motor. the oil is contaminated with gasoline, which will make you have HIGH HC's so change it. Removing the air cleaner & the PCV will also allow more clean air into your motor. My 84 Burb flunked big time too because of HIGH HC's & a emissions guy I know told me to do these things & I passed w/flying colors. As long as it says you PASSED, thats all they care about...joe
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