IACV question
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IACV question
I beleive I have a vaccum leak because it is difficult to adjust idle correctly and when i get it adjusted and plug the iacv in the idle begins to surge. The idle adjust screw is almost completely closed. I unplugged the iacv and covered the iacv port in the throttle body and the engine stalled. I think this means the iacv is bad because the valve is not completely closing when disconnected but im not sure and a brand new one is pricey.
My question is, when disconnected should the iacv completely close making no vaccum in its throttle body port?
Thanks
My question is, when disconnected should the iacv completely close making no vaccum in its throttle body port?
Thanks
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