5.4
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K
Why do i keep getting lukewarm air
I’ve about had it with this. Have changed my thermostat, coolant is good, purged the system everytime now and unclogged my heater core 2 weeks ago. Was working perfectly fine for about a week before it went bad again. If I accelerate heavy it does heat back up but then goes lukewarm. Is it...- king01
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- 2003 expedition 5.4 heater core no heat
- Replies: 12
- Forum: 2nd Gen - 2003 - 2006
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Documenting: 2014 5.4l 3 valve early oil pump and tensioners upgrade
I am an engineer by trade, and I like to document and test things. I've always worked on all my cars and have generally done a good job at it. I've found a lot of incomplete stories about upgrades of our beloved 5.4l regarding oil pump and tensioners which caused me to spend a lot of time...- k-bl
- Thread
- 5.4 melling oil pump timing chain tensioner
- Replies: 20
- Forum: 3rd Gen - 2007 - 2017
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J
Help identifying this popcorn noise (08 Expo 5.4)
Sometimes does it at idle and almost always does it a low speed. It sounds like metallic popcorn, and I haven't had any luck identifying the source of the sound on my own. 08 Expedition King Ranch 5.4 Triton with 130,000 miles. No noticeable change in performance. Hopefully someone has heard...- joshdosmil
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- 5.4 diagnose ford noise troubleshooting
- Replies: 0
- Forum: 3rd Gen - 2007 - 2017
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C
Which model of Motorcraft Spark Plugs works in my 97 5.4 XLT?
All the auto parts stores recommend the SP-459 ones which are so hard to find here in Mexico, some website suggest me to use SP-493 and SP-479 confirming that those fit my expy, but I cant find info that say they actually fit. I've searched so much in this forum and others but could only find...- CesarSal
- Thread
- 1997 5.4 spark plug
- Replies: 3
- Forum: 1st Gen - 1997 - 2002
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5.4 rebuild
I'm wondering if anyone has had any difficulty rebuilding a 5.4, because I am looking forward to it on my Gen 1. Not really looking forward to it, but it's either rebuilding myself, or getting a long block and swapping. I did an oil change this weekend and the oil had a very strong smell of...- AksoBruce
- Thread
- 5.4 rebuild
- Replies: 6
- Forum: Engine & Performance
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I'm probably the only one who had this problem
Someone once said, things happen to you that never happen to anyone else ever... Stuck in traffic, decided to recline the seat a bit. When I reached for the lever I cut my finger, and it was messy and hurt. Had to look down and see what caused it when got home. Photos below. I tried to bend...- nycnftm
- Thread
- 1st gen 5.4 eddie bauer
- Replies: 9
- Forum: 1st Gen - 1997 - 2002
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E
Not sure whats wrong. OBDII Live Data
Picked up a 2000 Expedition 5.4 Eddie Bauer 4x4 175k miles I think after wrecking my 98 expo. Got it from a local guy said it had a little hesitation at idle but wasn't really worried after having done everything on my last truck figured probably plugs or coils. Got it home pulled throttle body...- edwinhess
- Thread
- 5.4 expedition live data obd2
- Replies: 7
- Forum: 1st Gen - 1997 - 2002
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J
Catalytic Converter Replacement
After dealing with a ton of no-start, misfire, and excessive rich conditions, I believe my passenger side catalytic converter is done for. My 05 Expedition EB 5.4L 3V 4x4 takes some time to start. It cranks for a good 5 seconds when cold starting and has a rough idle in drive gears and...- Jake Oleszak
- Thread
- 5.4 catalytic converter cylinder 2 fuel hard start idle misfire motorcraft rough rough idle
- Replies: 7
- Forum: 2nd Gen - 2003 - 2006
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Are the cats why I have no engine power?
[This is a 2003 Expedition, with the 5.4L V8] Okay, remember my complaint a while ago about spark plugs? Yeah, that wasn't the problem with my performance. What happened with those was: Mechanic number 1 fixed vacuum line, and didn't put on the new one correctly. Mechanic number 2 fixed the...- Prince_Polaris
- Thread
- 5.4 cat expedition
- Replies: 38
- Forum: 2nd Gen - 2003 - 2006
