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Discussion Starter · #1 ·
lately my 89 240sx coupe been idling pretty high around 1500-2000. i havent driven her since the day she started idling high.

shes pretty much stock just added an intake and a 3" catback exhaust

need help asap
 

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AIV valve is clogged, Sounds like. I have the exact same problem. If you removed the mini filter then chances are it's fauled up. two options. get a mini filter and clean it out. or what i am gonna do. Sawza it off and JB weld the thing shut and remove the AIV system screw nature... Im running a dump anyways :thumbsup:
 
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