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Old 01-27-2013, 02:08 PM   #1
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Default How smooth is your engine?

hey guys, how smooth does your truck run? like when you are accelerating? i have a 2006 fx4 5.4 and it seems like its got a bit of a "roughness" upon accelerating.
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Old 01-27-2013, 02:09 PM   #2
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Smooth as glass
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Old 01-27-2013, 02:15 PM   #3
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yeah i feel like im going crazy. I swear my engine was smooth as glass a few months ago and now it just doesnt feel the same as it did, inless my head is really messing with me. I replaced all splark plugs, new throttle body, fuel injection flush all with dealer parts. Just doesnt seem as smooth as it once did
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Old 01-27-2013, 02:17 PM   #4
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How many miles are on it?
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Old 01-27-2013, 02:19 PM   #5
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56k miles
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Old 01-27-2013, 02:21 PM   #6
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mabey its a dirty fuel filter or something like that. I have a habit of running it down to empty alot, probably sucked up some dirty or rust from the tank.
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Old 01-27-2013, 02:24 PM   #7
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Clean the MAF sensor....that will cause an issue if it's dirty
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Old 01-27-2013, 02:25 PM   #8
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56K miles and his fuel tank is rusty already...he's got problems.
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Old 01-27-2013, 02:28 PM   #9
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yeah i will try and clean MAF, i haven't done that yet
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Old 01-27-2013, 03:16 PM   #10
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How can I replace the fuel filter
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