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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: Idle RPM
>
>
>< In a message dated 97-02-10 22:15:19 EST, Luis.Magdaleno write:
>
>< My 82xj6 is idleing at 500 rpm. It seems to me that it should
> be at about 1,000. can anybody tell me what the correct speed should
> be. >>
>
> I gave this advise before for a XJ40, but someone else wrote in and said I
> was wrong. I checked a couple of used vehicles at the dealership, and all
> had the idle RPM posted. Perhaps we were dealing with manufacturing
> differences for different countries.
>
> In the United States, since 1972 I believe, the vehicle manufacuter must
> identify the emission control components and the tune up specifications on
> the emissions label located in the engine compartment. The US emissions
> label will tell you the idle RPM.
I wasn't the one that called you on it, but that's only because someone
beat me to it. :>
Yes, all US cars from '70 on should have an emissions mantainance sticker
under the hood. Lots of stuff on this sticker, engine type, specific
emissions related equipment, and specs for all applicable adjustments (
common "tune-up" specs). The key word here is applicable adjustments. When
something like idle speed, ignition timing, or valve adjustment is not
adjustable, the stick should note this. Some manufactorers give the
number and note it's not adjustable. Some say "refer to service manual".
Others, XJ40 included, just say "not adjustable".
The S III, having adjustments for everything, will have the specs on
the sticker (assuming the sticker is still there). The XJ40, having
computer controlled idle, timing, and closed-loop CO, will have a
sticker full of "not adjustable".
>
> Phillip Toogood
Randy K. Wilson
randy@taylor.infi.net
References:
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