5.4 problem

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Feb 15, 2004 | 03:23 PM

nicholsd

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Joined: Feb 2004

Posts: 12

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From: Pearland,Texas

5.4 problem

I have a 99 f 150 with a 5.4 that is missing in lower rpm's. With the truck in gear and my foot on the brake hold ing about 1200-1500 rpm it just misses like crazy. What is the problem?

Feb 17, 2004 | 08:31 AM

LxMan1

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Joined: Dec 2001

Posts: 22,436

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From: Louisville,Ky.

Welcome to the forum.

Are you getting a check engine light?
Try cleaning the mass-airflow sensor.
Jimmy

Feb 21, 2004 | 05:36 PM

Mickey's99F150

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how many miles...most probably an o2 sensor

Feb 23, 2004 | 06:06 AM

nicholsd

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Joined: Feb 2004

Posts: 12

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From: Pearland,Texas

I got the problem fixed,it was #6 COP. Thanks for all the help. Next project M112 will keep you posted!

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