hey guys i used to be on here many moons ago and just picked up an 86 lxi sedan today. it has some problems and could use some help. i know my old lx had bad piston ring lands and was causing it to smoke out of the valve cover and this car is smoking but differently. there is oil on the air filter and i have no clue where the pcv valve is and its probably never been changed. could that be the problem or any other ideas? it runs good but smokes and it idles funny when in park and neutral. it revs to like 2k on its own and drops to 1k and keeps doing that. my guess is either the map sensor or tps, but im used to working on toyotas and have no clue. any help would be greatly appreciated.
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