[DML] Re: Idle speed too high - other causes?

["Chris " <chrisau79@xxxxxxxxx>]

Try this.....unplug your ECU and start the car. If the idle is fairly 
normal then you've found the problem.

Chris
6301
>
> Hello all.
>   The idle speed on my D is too high ~1800 rpm warm.  I've read the
> "Discussions on Idle Speed"  and everything checks out.  The throttle
> plates are correct, idle switch and ISC system work, no vacuum leaks,
> the brass screws in the throttle body are fully seated, all o rings,
> gaskets and seals in the plenum are new.
>   I'm out of ideas for now and I'm hoping someone else can help.
> Could the backfire valves in the throttle plates be leaking?
> 
> Matt Smith
>










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