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Old 10-09-2021, 06:54 PM
andrewwynn's Avatar
Join Date: Jun 2015
Location: Racine, WI
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E53 / M54 2001 3.0i gas LHD (pair of them: his & her)
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Old 10-10-2021, 08:41 AM
Join Date: Oct 2021
Location: Houston
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Thanks for getting me hip to this.
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Old 10-10-2021, 11:48 AM
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I had the same issue with my throttle body at one point. Try this...disconnect the Throttle Body connector. Clear the codes from your rig...and fire it up. It should start using a default algorithm so the response won't be quite as good. If it does start up and run well (as compared to what it's doing), reconnect the TB connector with it running. Shut the car off and re-start. Totally resolved my issues. For some reason, the TPS communication with the DME didn't "refresh" appropriately until I did this procedure. Then I was off to the races with full throttle and nice smooth idle.
2003 E53 4.6is, titanium silver, black Nappa interior
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Old 10-10-2021, 01:06 PM
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Did you replace the MAF and the throttle body or just the throttle body?

What do you mean by won't respond- it shows no indication it is trying to rev up? Or, if you depress the gas pedal it starts missing or roars but doesn't tach up and then stalls shortly after?

Codes are not always definitive. Sometimes they are more directional. I wold be sure the MAF is operating properly. In your case some of the codes could be problems that the MAF is causing.
X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
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