Cold idle too Long

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Feb 16, 2018 | 08:14 PM

jncbama12

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Joined: Feb 2018

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Cold idle too Long

My 2013 5.0l V8 fast idles too long on a cold engine. Outside temp in the 30's it will fast idle at least 2 to 3 minutes before idling down. Why?

Feb 16, 2018 | 08:17 PM

ManualF150

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Joined: Jan 2007

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From: Vernon, NY

That is normal.

Feb 16, 2018 | 10:36 PM

glc

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Joined: Dec 2006

Posts: 43,532

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From: Joplin MO

It has to get the converters warmed up and into closed loop mode as soon as possible.

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