idle rpm

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Apr 18, 2008 | 08:03 AM

SBastow

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Joined: Oct 2007

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From: Erie,Pa

idle rpm

what is the rpm at idle. I have a 99 F-250 5.4

Apr 19, 2008 | 01:40 AM

ReAX

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Joined: May 2006

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From: Central Florida

Nominal idle should be 600-750 rpm. But there are factors that change that, A/C and cold starts require higher idle.

Apr 19, 2008 | 01:44 AM

rob188

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From: new west b.c

Quote:

Originally Posted by ReAX

Nominal idle should be 600-750 rpm. But there are factors that change that, A/C and cold starts require higher idle.

normally a 5.4 engine idles arond 1200 rpm on cold start and as low as 500 rpm when warm

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