Ford - Explorer :: 1991 4X4 - Overdrive Not Working
Apr 13, 2016
My 1991 Explorer 4.0 4x4 overdrive not working, so far have checked ohms on sensor at trans and it appears to be ok. Also looking for the pinout of PCM under passenger kick panel to see if voltage is being output to the sensor at trans.
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I have a 02 ford explorer sport trac the overdrive is not working and I have fixed the wire in the steering column and the neutral safety switch and it still does not work. What it could be???
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I'm fixing up my 1991 Ford Explorer Sport. I've replaced door panels, handles, center console, seat upholstery etc... I'm now looking for a replacement headliner. I've already checked LMC without any luck. Also my windows will not roll up/down even though the electric window motors are working. I can push and pull the windows up and down by hand while pushing the corresponding direction on the door control so it seems the mechanism is just slipping against the window. What exactly is this mechanism? what do I need to fix this problem?
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We recently purchased a 1991 Minnie Winnie (Winnebago) which rests on a 1990 Ford E350 chassis. It only has 58k miles. While driving on the freeway or highway, the Overdrive starts to go in and out; downshifting and upshifting willy nilly. It has a manual button for turning off the Overdrive and when I do this, it stops jerking and drives smooth. But, of course, this effects the gas mileage significantly. I took the Minnie to a garage recommended by the company I purchased the Minnie from. They replaced the manual Overdrive switch and replaced the transmission with a rebuilt Ford transmission.
We got it back and it was okay for one trip but by the second trip, it was doing the same thing again. I took it back to the garage and since it was under warranty, they put in a new rebuilt transmission, another new Overdrive switch, a new fuel sensor and checked the wiring but it still had the same problem. So they sent the onboard computer board to Ford who rebuilt it. The guys at the garage thought for sure this would resolve the problem. It didn't. They have exhausted their ideas as to what is causing this problem. We love the Minnie Winnie and other than this problem it is in beautiful condition.
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My 2000 Explorer overdrive light will blink once in awhile no hard shifting, no slipping, i also pushed the overdrive button while it was doing this and it went out of overdrive , trans has been service, I know this is a common issue with explorers . I understand that it could be caused by a number of issues. I haven't had the codes pulled yet.
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Recently my check engine light came on. I understand this isnt such a big deal, but then my engine started "skipping", and my overdrive light is now flashing. my car will stall if i come to a complete stop without putting it into park or nuetral. I dont know what to do.
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Got a call from my little sister about two weeks ago that her Ford Explorer would not drive forward. Checked it out and put it into second to get it home.Last weekend me and my dad changed the filter and fluid and then drove it for a bit. It sounded a little better but still would go into drive or reverse. We shifted into second which we knew worked and then back into reverse immediately and now reverse worked, although sluggish. The same was true for drive. A few days later dad changed a solenoid and now it will go into drive and go up to 15mph, but will not shift from first to overdrive first. And still no reverse right away. She is able to get to school with second gear and pop into drive when she gets up to 40-45mph. If she has to backup from start, first she has to put it into second and then back to reverse. Something in overdrive doesn't seem to be doing its job right.
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I own a 2009 ford explorer 4wd 5 speed auto with only 44,000 miles when I drive using overdrive just before it shifts into overdrive it bucks and when I slow down below 50 mph before it will down shift to 4th gear it bucks. I have had the suv to a ford dealer repair service 2 times and they ran a diagnostic computer check on it both times and found nothing. What I need to do next?
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Was told that I need to replace the torque convertor as it is slipping, has 144,000 on it. 2001 Sporttrac ...
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I have a 99 explorer and the OD off light just began flashing. Is this something serious, that will need attention?
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My 2002 Explorer LTD with 155K miles on it is in terrific shape except for a worsening rough shift into overdrive (automatic transmission) and a clunk which occurs with increasing frequency when I shift into reverse. I would love to keep the car but don't want to spend the money for a new or rebuilt transmission. There is no access for owner approach to transmission fluid - I have already looked in the manual. I would need to take the truck to a garage as I cannot do repairs myself.
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My 2002 Ford Explorer has a 4.0 liter engine. The overdrive light on the dash is blinking.......what repair and how much would it cost to expedite that repair? Also the ABS light is on....
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My son has a 02 - 2 wheel driver xls. His over driver light is blinking on and off. what the problem might be? He has about an 80 mile round trip drive today before he can get it to the dealer. Would he be damaging the vehicle if he drives it that far?
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I have a 1996 Explorer XL 2 dr. It has the 4.0L OHV V6 and the 4R55E Transmission. I bought it used with 152,000 miles on the odometer. About a month after I bought it I noticed it sounded different. I looked down at the tach and the RPMs are up around 2500 with the overdrive engaged. I turned the overdrive off and nothing changed. I turned it back on and nothing changed.
That weekend I pulled the tranny pan and filter and replaced the filter and fluid. There was the normal amount of debris in the bottom of the pan but nothing major. Now when I drive it it tries to shift into overdrive but when it does the engine bogs down and the O/D off light starts flashing. I know how to do the overhaul but I wanted to get a few opinions before I start tearing into it. What could be wrong .
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I have a `95 explorer with the 4.0 motor. The electronic overdrive off indicator light (O/D Off) on dash started flashing today. The transmission seems to be shifting into overdrive. Owner's manual says to have it checked as damage can be caused. What I should be checking?
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1991 Ford Explorer XLT, 4X4, 4.0L push-rod motor, 315,000K
Problem Part 1: Excessive fuel consumption
Codes for O2 sensor, system lean, some black smoke, unburnt fuel smell, some slight hesitation when accelerating from a stop
I replaced the 02 sensor, replaced the IAC, cleaned the MAF, replaced the coil pack, replaced the plugs, replaced the plug wires, replaced fuel filter, replaced air cleaner, replaced the PVC valve changed brand of fuel, checked tires and "brake binding" - NOTHING. Truck ran "fine" other than excessive fuel consumption. I decided to replace the fuel pressure regulator and before I could get to the parts store we have...
Problem Part 2:
Truck begins to lope along like there is one bad cylinder. It sometimes "fixes" then comes back (all this over a period of 3 days).
Day 4 it's dead - no start.
The motor cranks, the fuel pump "pumps" 3-5 secs KOEO fuel line is clear, return line is clear, filter is clear. There is fuel at the Schrader valve (do not know pressures) and the electrical system seems OK (sparks to all 6cyl). I believe the crank position indicator is OK because the CEL is on KOEO but goes out when cranking. I have no codes because I needed to remove the battery to re-charge. Fuel pump fuse is OK.
Only other information that may (or may not) be relevant is that lately it is slow to heat up. It does not come off "cold" (for the last 4 days). Maybe it's the thermostat or temperature sending unit? Maybe it's because its -30C here. It heats up fine if I block the airflow across the radiator (the old carboard solution).
I have not checked the relay. Where this unit is on the 1991? Don't say fuel pump.
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I have a 1995 Explorer 4x4, and starting last month i have been having an intermittent problem with bang shifting, the only time the bang shifting occurs is when the overdrive off light flashes, the only time the O/D Off light flashes is after driving the interstate or driving around town on hot days, after a few days or a few weeks the light turns off and its shift normal and no bang shifting, but i have a new problem now, the O/D Light off started flashing last night after driving the interstate and I noticed on my way home that it wont shift, it hit 4000rpm and i had to tap the break and accelerate again to make it shift, I went to AAMCO and they wont give me the codes the only thing they said is they want to do a soft parts rebuild, and something about hte gear ratio being off, i dont have the money to spend for a new trans or have one rebuilt, i would like to fix this myself.
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Have a 91 Exp 4.0 v6, has a no start problem only in the cold weather. Last year, replaced coil pack, fuel pump, crank censor, this winter...same problem. Just will not start when it is cold. No codes, no ck engine. Checked it today...it has no spark. What could cause this? Fuel filter has also been changed. told him to ck crank position censor connector.
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Anyway I have a friend with a Mazda Navaho. 1991, 5spd transmission
It jerks intermittently, and sometimes quite severely. Myself, and 4 other ASE mechanics, and 1 "old ford guru" are stumped. We know we have ruled out the clutch for sure....
We think It started when my friend put a clutch in it. He did not have the flywheel turned . When we looked at it, we were all convinced this was the issue....drive test and dumping the clutch in and out at cruising speeds could replicate the issue. However, he had just bought the truck, and it needed a clutch, however the jerking we think was happening before, but we didn't know as we couldn't drive it till we put the clutch in it.
So we re-did the clutch...had flywheel machined, and got a warranty replacement clutch just in case, and put it back together.
Same issues. so we checked, and tested.
1. Fuel pressure test- passed, no issues
2. Checked fuel regulator for leaks - none
3. Checked for and found no vacuum leaks-none
4. Swept, and actually replaced (3 times) the TPS -is working fine
5. Replaced the MAF - Thought we had it, as we disconnected the MAF and jerking seemed to go away instantly...however few days later jerking returned, and driving with MAF unplugged still jerking.
6. Replaced Ignition Module, checked coils, plugs etc...actually replaced plugs and wires as well
7. Disconnected Transfor case plug to make sure it wasn't the issue as well.
I really don't know what else to check. The motor runs fine, the trans shifts smoothly...the clutch is new and was done correctly. I run a small auto shop, and we have access to Mitchells, All-Data, and Identifix....all were no dice. It seems you try and research jerking and hesitation all the hits come up for Auto trans and Torque converter lockout issues. This truck is a 5 spd .....
I have owned many Aerostars back in the day (loved em, same 4.0) and I have never seen this
The jerking is random and intermittent...symptoms would be similar to a small child flicking a light switch on and off rapidly when it does it. power, no power, power, no power, and rapidly...it feels like someone herky jerking on the clutch but we have ruled that out....its definitely electrical.
Also, and naturally, even though it is Obd I we have checked and there are no pending nor stored codes....PCM thinks everything is hunky dory. No backfiring, no smoke, no misfires....runs like new except this perplexing issue.
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I just got a '91 Explorer. It has no brake lights at all. I've checked all the fuses and everything's fine there.
What's the next thing to look at? I can't say I've seen this problem before.
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I just bought it off my friend yesterday and I noticed the back door doesn't lock, the glass part doesn't either. How I could fix it?
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