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High RPM on cold start

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Old Oct 19, 2023 | 05:52 PM
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From: BURBANK ILL
High RPM on cold start

Hello. I have a 2004 F150 5.4 3v with 69,000 miles..On cold start up rpm jumps to 2000, down to 1000 and back to normal. This just happened last week and still doing it. I can go to the store come out and start the truck and all is normal. Thank You for any help. Russ
 
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Old Oct 19, 2023 | 07:16 PM
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glc
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From: Joplin MO
Try cleaning the throttle body.

https://www.f150online.com/forums/vi...ttle-body.html
 
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