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Re: 90 Chev Lumina 3.1 runaway idle speed
Posted to Technical Discussion Forum on 4/15/2006 4 Replies

Hi Mark,

I think it is interesting that your IAC counts stay at 15 with the engine racing. Does it race with IAC unplugged?

It's also interesting that your ignition timing reads 30 degrees with engine racing and 15 degrees at normal idle. This is most like... Login to read more.

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