Ford - Explorer :: 1994 - Inconsistent Speedometer / Indicate Several MPH Too High
Jan 19, 2012
Most of the time, my speedometer needle is steady and in the right spot. But once in a while, it will indicate several mph too high, along with some slight fluctuation. The tach and the GPS speed remain steady. What would cause this? I would think that a worn component would cause it to indicate low or bounce around all the time. Also, where would I get a speedo drive gear with a different number of teeth, since I have 31-in. tires? I look on parts store websites and don't see any drive gears. 1994 Explorer..
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Its a first Generation I have had about a year, had some of the typical issues with a vehicle this old---bad connection with a relay under hood, cracked fan blade, IAC, nothing I could not find.
Temp (issue is getting worse) runs up to high end of "Normal" yet I note radiator does not seem overly hot. (to the touch).
Antifreeze tests very good and is full---no signs of leaks or liquid in the oil.
I am hoping thermostat or radiator===vehicle has been well maintained and does not show rust in the coolant, and no signs of leakage around the pump or anywhere else---coolant level does not drop.
I am planning on removing the thermostat and seeing if same issue with it removed====it should rule that out or not----
It is not boiling over but just running towards the high end of the normal area.
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My speedometer does not work. Also, my 4wd high light is on but not engaged. Are the two related? I've looked up speed sensor and it's separate from the actuator for 4wd. Maybe coincidence they stopped working simultaneously? Should I start with the speed sensor?
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I have a 99 Accord, automatic trans with over 197,000 miles, appropriately maintained.
What is the most likely cause of a very high pitched whine that comes up when throttle is being added? Here are some facts: -This is not a constant, or even a daily occurrence. Very randomized. I think I first noticed it over a year and a half ago (20,000 miles).-The sound will continue if the transmission is put in neutral and the RPM maintained (usually 2,000 - 2,500).-If the A/C is on when the sound happens, it will go away when I turn the A/C off.-When the sound is happening, there are no adverse symptoms to go with it. The car runs and drives quite well. Well, this issue is just that inconsistent.
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I just replaced the trans in my 02 sport trac and have no speedometer and ABS light is on now. I made sure all connections on trans were tight and I didn't mess with speedometer sensor seeing how it is on the rear diff on this truck. spent two weekends replacing this thing and am not at all happy with the results. By the way i did it all on my back. No vehicle lift or trans lift.
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On my 96 explorer the speedo most always reads 50mph. It goes to this as soon as you take off. You can be doing 5mph or 75mph and the speedo goes to 50mph and stays there. Everything else on the instrument cluster works. Is there something I can replace on the speedo only or do i need to find a good used instrument cluster?
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1999 Explorer Sport 4L 6 cyl SOHC ... Don't know if this is strange or not. My speedometer reads about 5 mph high at 20, 4 mph high at 30, 3 mph high at 40, 2 mph high at 50, 1 mph high at 60 and is finally correct at 70. It's a perfect linear relationship. I've verified this with a handheld field GPS as well as several phone apps. The tires have always been the stock size of 275/35R15.
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How difficult is changing the whole speedometer cluster on a 94 honda accord? Mine has been messed up since i got the car. It stays on 20mph when I turn on the car.
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Thought this would be a fairly straight forward fix of making sure that the transmission fluid was full with no air in it, as well as a few other things to try.
Well, I've run out of things I can reliably try right now. Replaced the output sensor on the transmission, filled the transmission fluid with the proper type, read error outputs. (boy was that odd, you have to turn the key three times in a certain way and it blinks codes out at you)
The error readouts point to an Oxygen sensor, and the speed sensor. The oxygen sensor I could care less about at the moment, as I can't really reliably drive the car in first gear. Once it shifts, then I'll fix that, otherwise its wasted money as I won't be driving anyways.
None of my local mechanics have a machine to read or program this thing by the way, so that is kind of out of the question.
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My 1994 Toyota Corolla's speedometer just stopped working while I was driving this morning. Does this mean that there could be something worse going on than just my speedometer?
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1996 Sport Trac. Cruise control works. Speedometer works for one mile or so mornings only. New sending unit in transfer case. What's up?
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My Explorer speedo works fine for the first bit of riving but when the vehicle gets warm it goes to exactly 50 and stays there.
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My 1994 Explorer is stuck in 4 low. None of the lights are on in the dash or at the switch. I got the switch out & with a test light running I have weak power at the top left terminal better power at the 2nd, 3rd &4th on the right. No power on the opposite terminals. Is my switch bad or do I have a different problem. Also how do you remove the switch from the dash vent ?
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I have a 1994 Honda Accord DX 5 speed. As it was turning to 208,000 the odometer froze up. This was in mid April. The speedometer still works but the 2 mileage readings quit. About a week later it began to work for 9 miles, then froze up again. I called 3 mechanics. They said it was the speedometer cluster & that he would need to put a search out for the part because it was a rare part for my car. That was 2 weeks ago. Last week my odometer began working as though nothing happened and has been fine. If and when I ever hear back about the part what should I do? Go ahead and get it fixed or just say "If it ain't broke don't fix it?"
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Working on a friend's Explorer. The car idles fine, but once he starts driving and gets to about 35 mph, second or third gear, the car loses power and eventually dies. MAF sensor replaced, no change.
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I'm replacing the compressor and accumulator on my Explorer. I'm having the shop evacuate the system, but they want to fill it with R134, so I'd rather use the cans if I can find out how many ounces it needs. I'm seeing conflicting information on the refrigerant capacity for the 94. Is there an authoritative source, like the factory service manual?
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Bought a used 94 explorer xlt. It came with brand new Wrangler tires. The day we bought it we were driving home and it started shaking and wobbling at about 95kms and but seemed to improve after 115. So I took it to the tire shop next day and had all 4 tires rebalanced. The shop told me that all were out to lunch. The worst was 2 ounces out. Ok cool. Was certain that was the problem. Paid the guy and took off. Got on the highway and same damn thing. The steering seems very tight. No bangs. No knocks. Just the bloody shaking. Oh and also the abs light comes on just as it starts to shake. I don't wanna head to a garage to find out some nightmare when I get there. Want some heads up on it first.
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I've replaced the fuel pump and filter, plugs and coolant temp sensor. It starts after I spray starter fluid in after a few times and cycle the key on to prime the line but is still hard to start. It runs fine and it seems that as long as the engine is warm or (guessing) fuel is still pressurized in the line it starts fine.
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The last couple of times hauling wood with a trailer, the 1994 Explorer seemed to seriously lack power. Then I noticed there was an awful grinding noise coming from the rear. My guess is that the wheel bearings are shot creating an enormous amount of extra drag, especially with the added load of the trailer. Or what else could it be? How much should I expect to pay to have bearings replaced?
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We have a 94 ford explorer and every now and again it has issues on the start up. It will sound like it will want to crank over but just won't. If we wait 20 mins it will start up no problem. We have changed the fuel pump, fuel filter, ignition coil, and fuel pump relay but it still has this problem. Also occasionally the a/c blower wont turn on. Tonight it happened again and I pulled the fuel pump relay out and it was really hot, after it cooled down and was put back in the car started. I am beginning to think it maybe an overheating issue that is affecting the relays but am not sure. I was also wondering about changing out the relay box...
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1994 Explorer V6 100,000 miles, it is getting fuel and spark. After driving for a short/long period the engine will turn over but won't start. If you floor the gas pedal it will fire up, with a small puff of black smoke out the exhaust. Fuel pressure regulator came first to mind, and has been replaced. Problem was cured for a few days, then it started again.
Next Idle Air Control solenoid. Replaced, with same results. Replaced EGR position sensor. This worked for a few weeks. Then starting issue came back. Then I was told to replace fuel pump relay. This was the last part replaced. It had been running great. Started warm without any issues for a week. But now I have a check engine light and hot start problem again.
If the gas is floored the truck will fire. If gas is not floored the engine keeps turning and turning. I am sure it is not a fuel pump problem, as there gas fumes and the tailpipe is black. Could it be Mass AIR FLOW ?
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