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Re: If the orange wire to the ECU has been modified… Posted by Street [Email]  (#3751) [Profile/Gallery]
(more from Street) on Fri, 24 Jun 2022 18:59:46
In Reply to: Re: Low idle speed, skibumm100 [Profile/Gallery]
, Sun, 12 Jun 2022 09:11:01
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as in, cut, then your ECU will not know that you have selected “D” or any other gear. This was a performance mod done by some to increase performance of auto tranny equipped 9000’s. The idle speed should be correct and not need a tech2 to adjust. I know that ISAT has a means to see if your ECU is in auto or gearbox mode… not sure if Tech2 has this capability (though I believe it does). You should also be able to see if the ECU is receiving auto selector signals from the gear selector. If this all looks good then a thorough throttlebody cleaning is in order. An old toothbrush cleaning in the area where the plate rest works wonders for idling problems. In fact, this is a regular maintenance routine done every x miles. If all of this fails to bring the idle speed up, then checking the throttle plate adjustment is in order (with a feeler gauge). Hope this helps.
posted by 107.77.230...
, Mon, 6 Jun 2022 05:07:25, Mon, 6 Jun 2022 08:45:37, Sun, 12 Jun 2022 09:11:01, Fri, 24 Jun 2022 18:59:46 <-- Viewing This Message, Tue, 12 Jul 2022 11:22:08
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