Well, yeah I am concerned about gas mileage, who isn't right?
I played with the idle today. I had the engine warm and when I disconnected the IAC valve, the engine stalled. Restarted the car turned the idle screw a little and then unplugged the IAC valve, it didn't stall this time.
Right now when the car settles down it idles at around 800 RPM, it still vibrates a little bit, but it's better than it was before.
The check engine light did come on when I took the IAC valve out, and when I put it back in it went away. I turned off the car, turned it back on and took it for a ride, seemed to be okay.
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Originally Posted by Ehscrewdude
Yeah, my '94 idles at 1200-1500, after the tightening. Just have the idle speed changed. The higher the better (within reason)...unless ur concerned about gas milage
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