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Is my idle too high?

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Old 06-08-2004, 08:31 AM
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Default Is my idle too high?

M6 - It seems to sit right at 1000RPM. That seems too high. Every other car I have owned has been around 700 or less...
No mods yet - Normal?

Thanks

Brian
Old 06-08-2004, 09:51 AM
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That is abnormally high. Programmed warm idle
RPM is 550. You may have cables adjusted too
tight, or the base stop screw is too far in? Don't
think the tach would be that far off. As far as
"no mods yet" - unless you've owned it from new,
don't believe her when she says she's a virgin.
Old 06-08-2004, 09:54 AM
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My brothers car is a 98 m6 and has idled at a constant 1000 since we bought it... No problems with it at all. Yes it is alot higher than most other f-bods but its all good.
Old 06-08-2004, 10:07 AM
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"That is abnormally high. Programmed warm idle
RPM is 550."


Jimmy, M6 cars have the idle set higher from the factory. About 700-750 I think.
Old 06-08-2004, 10:42 AM
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mines a 98 z8 i got it used it sits at about 1,000 as well. i put up a post a long time ago and everyone said it should be about 750.
Old 06-08-2004, 11:16 AM
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My idle speed was set at 800 stock. I bought it used, but I'm sure it wasn't reprogrammed because all it had was a lid and gears and the speedo wasn't even recalibrated for the gears.
Old 06-08-2004, 11:22 AM
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Another '98 here that sits at 1000, and it is a real 1000, confirmed by computer. No vacuum leaks either.

The '98 has a different PCM than the 99-02s, so maybe they were designed that way.

Anyone have a '98 M6 that idles other than 1000 stock?
Old 06-08-2004, 11:27 AM
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My 02 idles at about 800 or so
Old 06-08-2004, 12:34 PM
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i got a 99 camaro v6 that idles at about 800
Old 06-08-2004, 12:50 PM
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my 02 ws6 idles at about 800...catback, lid only...runs perfect
im sure manuals idle higher than autos anyhow...my silverado idles at about 550-600
Old 06-08-2004, 01:30 PM
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my 98 idles at 1000
Old 09-04-2008, 01:55 AM
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I have a stock 99 Z28 with just gears and it idles at 1k also.
Old 09-04-2008, 09:22 AM
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o_O yikes.... 2004
Old 09-04-2008, 09:51 AM
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mine idles around 750
Old 09-04-2008, 09:54 AM
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650-750 here... auto... 98
Old 09-04-2008, 10:29 AM
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Cold start in morning its showing 1100 Idle once put into Reverse it goes to 800.




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