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    Door harness interchangeability

    Having some issues with the door wiring harness on the pass front door of my 03 Trac. I understand that the harness for RKE and non RKE are different, but what other years would interchange? Wondering if a 01-03 sport or 99-01 2nd explorer would be plug and play
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    Inconsistent idle missfire-2003 trac

    Having an inconsistent miss fire only at idle. 2003 4.0 with 283k Heads, chains and guides were redone within the last 80k miles Taylor plug wires, new motorcraft plugs 10k ago. New ford IAC Only thing I've found is a mode 06 value that's exceeding the limit. No errors or codes showing up...
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    IAC causing high idle

    2003 4.0 280k. Noticed it would intermittently idle high around 1000-1300 regardless of in park or gear. Unplugged iac and the idle dropped, plugged back in and it's idling at the correct speed. Does it randomly. Same result shutting the engine off and restarting it. Replaced newer IAC with new...
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    Free service manual link- an actual legitimate source

    This is a pretty neat site, has multiple years/ makes models. Has TSBs too Free Car Service Manuals from Operation CHARM — No strings attached!
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    Ps pump possible upgrade

    I ran across the other day that 2008-2010 power stroke ford pickups use a c3 ps pump similar to the 4.0/5.0 explorers, but with slightly higher pressure and more flow. According to cardone, at idle the PSD pump outs out 1.4-1.6 gpm idle, 1675 max psi and 1875 psi relief pressure. The 4.0 pump...
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    Spark plug resistance comparison

    On this chart I showed the readings from motorcraft, Taylor and cheap duralast (AutoZone) wires. I found the high resistance of the duralast wires was causing a very hard to diagnose idle missfire. These readings are in thousands of ohms. I inspected the plugs, no indication of fouling with 270k...
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    Driveshaft CV joint repair- spicer parts

    I ran across two spicer solutions to repairing the front CV joint on the driveshaft. I'm looking for any input on either. The one is the complete joint and the old one would have to be cut off the shaft. The second option is a repair kit that I can't seem to find listed for sale anywhere?
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    Dry reusable air filter suggestions 01-05 ST

    Is there a preferred out of these two? I see aem is cheaper with more reviews but which is actually a better quality reusable filter?
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    Stainless steel brake hoses

    Found a manufacturer for stainless brake hoses for these trucks. Ford Trucks Stainless Steel Braided Brake Lines - Paragon Performance
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    Steering question- vacuum bleeding

    2003 explorer sport Trac. Put a reman O'Reilly's steering rack and pinion in , new xrf ball joints and tie rods, a new Edelmann steering pump and hose. Filled and vacuum bled with mercon v. Steering assist at idle isn't what it should be, feels like it's struggling to turn. 265/75r16 tires. Any...
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    7.3 Godzilla 10 spd in gen 1

    Interesting find on Facebook.
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    Addco 633 fitment issues

    Tried installing a addco 633 rear sway bar on my 2003 sport Trac. I found it'll bolt to the axle, but will not fit past the shocks nor bolt to the links with it bolted to the axle. Any ideas on if it's just the bar or something else?
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    Injector replacement question

    Can the injectors in a 01-05 Trac be replaced without removing the intake manifold?
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    Tips on replacing the steering rack.

    I recently replaced the power steering rack in my 2003 explorer sport Trac. I followed the steps in the shop manual but some things werent so obvious. 1. The steering shaft coupler bolt is reusable, it's a regular grade 10.9 bolt. 2. The rack mounting bushings won't let the rack slide through...
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    Repairing airbag system after accident 2003 ST

    I hit a deer yesterday on the way to work with my 2003 Sport Trac. I've got the body panels already at home for it. I understand the airbag itself needs replacing and the drivers seatbelt. It was hit on the driver's side front corner. I'm assuming the impact sensor on the front needs to be...
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    Steering assist weak at idle

    03 ST, 260k. Recently found the steering to be hard to turn at idle. Flushed the system and put in a reman pump. Helped a little. If it's over 1000 rpm, steers fine, under that it struggles. Ball joints, tie rod ends have been replaced and greased. Could this be a worn out rack and pinion?
  17. N

    Low epc pressure on 5r55e

    I was looking into a hesitation to shift under WOT on my 2003 5r55e. I have forscan lite on my phone with a obdlink mx reader. I noticed the epc pressure ranged from 10-65 psi while driving, which is low as per the Ford shop manual. If the valve body gasket was blown, wouldn't it not shift or...
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    5r55e update question

    Im trying to cure some inconsistent shifting in my 03 sport Trac with a 5r55e. Was the updated epc solenoid, bonded seperator plate and the other pieces in the valve body update installed from the factory on these? I noticed the update TSB stopped at the 2002 model year.
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    Remote start issues on 2003

    I recently hooked up a fortin evo one remote start in my 2003 sport trac. The remote start, the bypass and the lock function work flawlessly. I have I tapped into the unlock and lock trigger wires in the drivers side kick panel. I have noticed after sitting for a while, the unlock function...
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    Aftermarket wheel reliability

    I had some issues in the past with some pro comp wheels on my 2003 cracking around the lugs after being torqued to the factory spec of 100 ft lbs. I called them and talked to tech support, they stated 70-80 ft lbs maximum. Has anyone else had issues with aftermarket cast wheels on these not...
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    Remote start questions

    I'm looking at installing the avital 4003l remote start on my 03. It Needs a pats bypass module. I'm looking at the 555p and the pkall xpresskit modules from dei. Any suggestions on what's better?
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    Oil pressure port-4.0 sohc

    I'm adding an additional oil pressure gauge(that has numbers) on my 03 sport trac, before I tee into the location of the factory sender, does anyone know of additional plugs/ports that have oil pressure?
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    Solved Odd missfire 2003 4.0

    I changed out the plugs and wires on my 03 4.0 ST Saturday, motorcraft plugs, autozone wires. We had a storm and it blew blooms all over it. I was rinsing off the hood with a garden hose, when I noticed the hood wasn't latched all the way down. Nothing seemed wet. I've noticed now it'll...
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    Normal missfire count?

    2003 sport trac 4.0 Had new ford chains, guides, tensioners and heads rebuilt in 2019. Has good compression, new ford plugs and wires. Occasionally at idle I'll notice a hiccup of sorts. I have a bluetooth obd reader, watching it, It has a missfire count of up to 10 when I drive 60 miles round...
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    Superduty steering wheel swap

    I ran across this photo in a drag magazine in a 2002 explorer sport. It's running a carbureted small block, so I don't believe the cruise or airbag is hooked up. Looks like it'll physically fit, wondered if anyone knew what it'd take to make the switches and airbag work properly in one of these...
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