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  1. S

    96 4.0 low fuel pressure can't find cause

    I have a 96 explorer sport 4.0 will not idle correctly at all, at idle in neutral it will start choking for a few seconds like it's running out of fuel then it will pick up and idle smoothly for a few seconds before starting to choke up again like a constant cycle of nearly dying then being...
  2. N

    1994 4.0 explorer ecu tune

    Hi everyone, I’m new to the forum and I need some help looking for a good tune for my 4.0. I’m trying to get some easy horsepower out of my 94 explorer. I already have a bigger throttle body and cold air intake. Anyone know a good place where I can get a tune to get some hidden horsepower...
  3. 9

    Camshaft syncroniser to crankshaft (harmonic balancer rotation) Please Help

    Can anyone tell me how many times the camshaft syncroniser rotates for every revolution of crankshaft harmonic balancer? If I'm not mistaken is it 2 times? This would be on a 4.0 V6 OHV (NON-SOHC) I feel stupid. I rebuilt this 97 ranger engine and the timing chain was set at 6 and 12...
  4. G

    New intake / cat-back exhaust worth it?

    Hey guys! I have a 2006 v6 4.0. I have been doing some digging around the forum to see what people's thoughts around a new intake and cat-back exhaust for the v6 are, but it seems like there are a lot of mixed feelings out there. Has anyone had a good experience with this modification or seen...
  5. E

    91 explorer dies intermittently

    Still can’t figure out my 91 explorer. It will idle about 5 minutes then die. I can go drive it and it dies intermittently then fires right back up on side of road. It has codes 87 and 95. I did hook a fuel pressure gauge to it and it does not lose fuel pressure when it dies. Things I have...
  6. J

    oxygen sensor question.

    2000 explorer 4.0 ohv manual transmission 5 speed My explorer has a total of 3 oxygen sensors 2 upstream one downstream after the cat. The downstream sensor was hitting my exhaust and burned/cut a wire from the sensor. My question is should I solder heatshrink it? Or should I just replace. Also...
  7. C

    98 4.0 x-vin ohv exhaust help

    Have a question working on a project with 2 1998 Ford explorer 4.0 V6. One is OHV (x-vin) 4x4 automatic xl, engine runs great but body is full of rust and is being put aside for future project. I picked up another 1998 4.0 v6 4x4 xlt from South Carolina. It didn't have an engine but it is set...
  8. A

    95 limited 4.0 PUSHROD swap with99 SOHC

    1st off, I apologize if this is posted previous. I am losing my vision and have hard times at times trying to read. So I have a 95 limited 4.0 PUSHROD. For almost the last year it has pretty much run like crap. I have changed many things and with vision loss also comes the frustration of not...
  9. F

    96 4.0 explorer 4wd lights blinking several times and windows not working

    these two problems occur at the same time. If I turn my key over and I see the 4wd lights flashing. I can assume my windows won’t roll up or down. Tried researching online. Nothing. YouTube. Nothing. Has anyone dealt with this? I have reason to believe my car is stuck in 4wd lo but I am going to...
  10. D

    Intermittent Starting - 2003 Ford Ranger XLT Fx4 4.0

    I'll start here. I replaced the fuel pump today, 7/3/19. Now and then my truck would not start for no apparent reason. I would start it and it would die only to not start again. Sometimes in gear sometimes not. It acted like it was flooded then would sound like no gas at all. I'd check all the...
  11. A

    Motor Swap Questions

    Hello fellas (and ladies if you are on here) my 04 Explorer with the 4.0 8th digit K spun a bearing. I guess my question is could I swap it out with an 04 4.0 motor with the 8th digit E. I have hard a finding a forum with answers I am seeking, I'm sure it out there so if anyone could help me out...
  12. I

    Rpm fluctuation/drop then surge.

    so recently after hitting 200,000 on my 07 EX 4.0. my transmission between 3-4th gear rpms will stay the same,@2000 then drop,1800 then spike up to 3000 then shift into 4th gear, it doesn't do it all the time, and i can drive slow or be "nice to the transmission" it will still lag but not...
  13. C

    4.0 sohc swap to 4.0 ohv

    I just purchased a 98 explorer xlt sans engine, Stock it had the 4.0 sohc. I have a 98 xl with 4.0 ohv. My ohv is still running strong but the NY salt ate her body all to hell. The sohc is from South Carolina and is rust free. I want to put my ohv in it. Here is my conundrum, when it comes...
  14. D

    AC elimination Belt Size?

    Looking to bypass Ac compressor on 2010 Explorer 4.0 engine. Cannot find a bypass pulley kit so looking at just using shorter belt. Anyone have any idea of the size needed or exact belt number to use?
  15. R

    New one from Kazakhstan

    Hey guys, I am one of those people on the planet who own Explorer. I have 2007 4.0 Explorer with 4wd Limited. I am very far from all of you :(, on another continent. More than 20 hours of flight. :confused: Would be glad to meet everyone.:D
  16. P

    Solved 98 xlt crank no start. Please help

    Hello please help. 1998 explorer xlt 4.0 Anyone help. Can anyone help me please. I have a 1998 ford explorer XLT. Crank no start since tuesday..... What I've tried. 1. Checked computer codes shows p1000 p1260 2. PAts system seems to have normal function, put key in light goes out after 3...
  17. D

    muffler or Cat back exhaust kit

    Hi all, this is my first post and was wondering if there is a direct bolt on kit for my '93 Explorer 4 door automatic. The last person that worked on the exhaust welded the back pipe to the cat flange instead of using another flange to mate the two together. I'm replacing manifold, y-pipe, and...
  18. A

    2002 into 2005 transmission swap

    I have a 2005 ford explorer xlt 4.0 v6 4x4 automatic with a 5r55s transmission that is blown. I have found a possible donor, a 2002 ford explorer 4.0 v6 4x4 automatic with a 5r55s transmission as well. I am assuming it can be swapped but I am not 100% sure. I have heard that there is a...
  19. 2

    4.0 OHV PCV Grommet Part 42592

    Just thought I’d post this info in case anyone needs it too. I recently decided to change the pcv grommet on my 2000 since I’m redoing the entire vacuum system. Below is the part that I ordered through advance auto. I imagine it’s the same for all OHV Explorers, or at the least 98-00...
  20. 2

    Aftermarket OHV Intake Hose?

    Is anyone on here running one of these...
  21. 2

    4.0 OHV Absolute Throttle Position

    I’ve read threads on this site about the tps and it seems that 19.6% is the normal position for the TPS at idle. Mine has recently started dropping to 19.2% at times and I’m getting erratic rpms lately, like a 30-50 rpm change every second. The truck runs really smooth and the rpms stay steady...
  22. 2

    Oil Catch Can Installed

    I installed a 400ml catch can on my 4.0 OHV, since I was tired of finding oil on my IAC every few thousand miles. Is anyone else running one? I can post a list of parts required including hose lengths if anyone is interested. It’s still too early to tell how much oil it’ll catch, but I’m...
  23. 2

    Mixed Up Sensors?

    I replaced my coolant sensors almost a year ago and I’m worried I have them backwards. I’m using the dy-1144 sensor to control the gauge on the drivers side one wire connector, and the SW5174 fan switch for the computer sensor on the passenger side two wire connector. Any experts here that can...
  24. B

    New explorer sport member, older model

    Hello all, I have a 2001 explorer sport that after bouncing around for 17 years is starting to get some wear and tear. I have a few issues that I need help figuring out but my BRB is still trucking on well considering. I have some sort of exhaust leak that started giving me issues when...
  25. D

    Clutch Pilot Bearing: Is there a sleeve? Where to get one?

    Alright. I've got a 93 Explorer Sport 4x4. My clutch started slipping. It got pretty bad pretty quickly, despite having the clutch replaced at the end of last year. I have concluded that the rear main seal probably failed and leaked oil onto my clutch. Either that, or the flywheel failed. Either...