PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

high idle while in neutral?

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Old Jun 19, 2009 | 07:52 PM
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From: gonzales louisiana
Default high idle while in neutral?

ok i have a 5.3 with a 224-228 cam and supporting bolt ons.


when i am driving down the road coming to a stop it acts as it wants to stay in a high idle until i am completely stopped, then it idles down to its 600-750 rpms blah blah...

or lets say i am in gear goin about 20+ mph , if i put it in neutral it will want to jump to 2000-2500 rpms and stay there. until i come to a complete stop or put it back in drive


what part of my tune should need adjustment?

this is in a 07 nnbs 5.3 with the flyby wire crap
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Old Jun 19, 2009 | 08:43 PM
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From: Richmond VA
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Idle Airflow Minimum values are too high...
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Old Jun 19, 2009 | 08:58 PM
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Daryn's Avatar
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From: gonzales louisiana
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okay thanks ill take a look at that
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