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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

Low power

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Old Mar 17, 2013 | 06:06 PM
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Jeff_B's Avatar
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Joined: Jan 2013
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From: Rice Lake WI
Default Low power

I'm hoping someone that knows fuel trims can take a look at the readings I took with my scan tool and see something that the dealership is missing. They gave up trying to fix my low power issue. Took to dealership to fix broken plug so they had to take off LH head. They replaced plugs, phasers and IMRC. Also has new pre-cats and FPDM. They double checked timing and pulled the intake off agsain to verify IMRC operation. Overall power is just not there. Especially over 2500 rpm. Got a couple freze frames with codes (see below). I've got way too much money in this motor to give up. Seems to run fine until you stomp it. See attachment for readings....couldn't get it to embed in the post.
Thanks in advance!
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Last edited by Jeff_B; Mar 17, 2013 at 06:18 PM.
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