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Throttle body adjustment screw/locknut

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voodoogsx

20+ Year Contributor
334
23
Jun 2, 2004
Sherman Oaks, California
First off, I'm curious as to if there is any information on on what or how to adjust the "stopper"(?) screw/locknut that stops the return motion of the butterfly valve on the throttle body. I included a pic so as to show what I'm talking about.

Second question, and more importantly, does anyone know the thread pitch and size of said screw? I would prefer to hit autozone/autoparts store or maybe even osh as opposed to hitting the mitsu dealer for this little part.

I was playing around with the adjustment of that screw as I had some work done on the tb, and apparently didnt' tighten the lock nut enough, so now I've lost it..
It's now binding if I take my foot of the gas too fast not to mention I think it's throwing my idle off a bit.

TIA on any help I can get on this!
 

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Any answers to the adjustment of that screw? Id like to know how far in it needs to be also :confused:
 
I fixed him up with a replacement screw & locknut.
Also, the screw is adjusted correctly when there's mimimal throttle plate gap and it doesn't stick when closed.
 
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