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DOne way you could investigate further while you have the valve covers off is to pull the plugs (follow the TSB on removal, limit torque...
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DDustin Gebhardt replied to the thread Expy fuel mileage.My '07 averages between 11.5 and 13.0mpg using an app to track actual mileage and fuel purchases. Note that this value is low by...
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DDustin Gebhardt replied to the thread Ford Expedition 2004 5.4 2V AC Compressor Does Not Engage / I tried everything I know.I commuted into Mexico 4 to 5 days a week. Sitting and idling in the border line for hours at a time in the summer heat were miserable...
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DDustin Gebhardt replied to the thread Odd shake that went away.@whtbronco is on the right track. You state that the shaking happened after a highway run and acceleration, then stopping at a red...
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DDustin Gebhardt replied to the thread Timing belt or rebuilt engine or new vehicle.Is the Jasper a new block? Are they using OEM parts? Likely a "no" to both questions. The Jasper will have a fresh set of bearings and...
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DDustin Gebhardt replied to the thread Txv valve location.How high is "high". With the compressor off, the static pressure should be around 70 to 90 psi on both high-side and low-side ports...
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DDustin Gebhardt replied to the thread 2007 EL suddenly running bad.P0305, P0307, and P0308 are all driver's side misfires. This sounds like a failing timing setup or valvetrain. When was the last timing...
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DDustin Gebhardt replied to the thread 2004 5.4 misfire after intake swap..The connections for my COPs and injectors were all dry rotted on my '07. The rubber rings inside the connectors were cracking, causing a...
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DDustin Gebhardt replied to the thread Power Issue.I had a U0101 code last week. Trans was in limp mode (locked in 3rd gear). Acceleration was dog slow. The wiring from my trans to the...
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DDustin Gebhardt replied to the thread Loud noise while accelerating.Highly likely this is the IWEs making noise when they try to engage under partial vacuum. They are supposed to engage when vacuum is...
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DDustin Gebhardt replied to the thread Starts then stalls 5.4.Sounds like a vacuum leak. Any check engine lights? If you scan it, do any codes show up?
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DDustin Gebhardt replied to the thread Spark Plugs.I've always run SP546(x) in my '07. Are you sure that the SP509 is the correct plug?
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DDustin Gebhardt replied to the thread Codes codes and more codes.Which misfire codes are you getting? P030x will identify which cylinder is misfiring. What are your short term and long term fuel trims...
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DDustin Gebhardt posted the thread P1500, U0101, lost TCM connection, wrench icon in 3rd Gen Ford Expedition General Discussion.Last weekend the CEL light came on, along with the wrench icon and the traction icon. Limp mode activated. FORScan came up with P1500...
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DDustin Gebhardt replied to the thread Evaporator Coil Cleaning.I pulled my glovebox down/out and drilled a small (1/4") hole in the upper corner of the airbox. I used a step drill bit and made sure...
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