Ford F-150 - 1997-2003 :: 1999 - OD Light Started Flashing While Going Down The Interstate
Jan 15, 2015
I got a 99 f150 with a 4R70W and 311,000 miles on it and last year the od light started flashing while I was going down the interstate so I checked the fluid when i got home and it was beyond burnt so i changed fluid and filter. So a month or so ago it started doing this thing where on take off it will rev up like its in neutral for a couple seconds then reengage and drive normal till i stop and start to take off again. It don't do it every time and it drives/pulls just fine other than that.
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The brake lights on my '02 F150 have started flashing spontaneously ie - with no one in truck. This lasts for a few minutes, then stops, but can start again a few minutes later. The fear of course is that someday lights could come on and stay on, resulting in dead battery.
I do have a trailer brake controller that has been on truck ten years. Read something on internet that brake pedal switch might be going bad (??). Any one else observed this strange behavior?
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Ok on the way the my 1997 f150 4.6 L 180,000 check engine light started flashing and running rough and then the light went off, Also we took the Aftermarket Dynomax muffler off of it earlier today if that makes any difference, it still has the Cat Converter, New Plugs and Napa Wires.....
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I have a 97 f150 (built 96 as 97 model), 4.2l 4x4, auto tranny. Here's the problem, when I turn my key forward to run position my starter kicks on and starts the truck, and stays engaged. I have a constant 14v at the signal wire on the starter relay (yellow red stripe). Also tranny started to slip, od light flashing. I replaced ignition lock cylinder, ignition/ starter switch, starter relay, starter, and today transmission range sensor (neutral safety switch 8 pin), same problem. Cel code that I had 2 days ago was P0707 tr sensor low input.
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I have a 02 f250 4x4 7.3l.... I drove it all weekend and no problems. It sat till yesterday I got in it to go to church. It started up and had a little miss was around 60 f. Then the od light started flashing. Not in any code just constant flash. I was parked down in my drive way. It idled fine but acted like it wouldn't take fuel. So looked around and found the hose on the map sensor was broke.
So today I fixed the hose. Checked the oil level and battery connections. Still running weird and flashing od light. I got under the hood and wiggled plugs I unplugged the ice. It revved up then back down and started running smoothly. Got in it and it backed out of the drive way. It ran and drove fine. What I need to know is why??? The ice is a new one from Ford.
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I bought this truck with a stock automatic transmission and 260k miles back in October expecting the transmission to be the first thing to go. Recently I had a transmission code, OD OFF light flashing, for the bad speed sensor which i got replaced. Then the OD OFF light started flashing after some hard driving when I would put into neutral or park so I took it back to the mechanic, Hanahan Truck and Auto in Sc. They looked into it and there wasn't any different code in the system but they noticed when you lay into it driving it slips some between 2nd and 3rd gears so that could cause the computer to put in a code.
They said usually a rebuild runs from $2k-2.5k and they also recommended a Jasper reman for roughly $2.8k which comes with a 100k mile 3yr warranty. So I figure replacing the transmission is probably the way to go. Any recommendations for a replacement. I've heard ATS and Sun Coast are decent options that I could build one. I'm looking to stay close to $3k. My truck is a 2000 F250 lariat 4x4 with 268k miles. I'm installing an S&B intake, 4" MBRP exhaust, and DP-Tuner's F6 chip when I get the transmission work done.
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I recently changed the heater core on my 99 F-150 which meant i had to remove the dash. I got everything back together turned the key to start it and nothing it wouldn't start it wont even turn over. All the electronics come on like normal it just wont start. I have chased every wire every connection into madness. It has an aftermarket remote start someone said that would have bypassed the PATS but i dont know about that the theft light just started blinking.
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Have an unfortunate circumstance. '03 Camry XLE 4cyl with 188k on it and the trans just went crazy. Was on the interstate and it started downshifting. Wouldn't stay up in the gear it was before and eventually wouldn't go out of 1st or 2nd gear.
Haven't had shifting issues in the past and trans fluid has been changed regularly at no more than 30k mile intervals.
Worst part is that this was on the way to vacation, so the car was towed to Ft. Walton Toyota. They are saying the trans is slipping and it needs a rebuild. Seems very odd to me that the issue would come on this fast with no earlier signs. A valve cover gasket was replaced a couple weeks ago, but I don't see how that could be the cause.
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Just got an alignment done on my truck because it was squeekin and wandering on the interstate. I read the thread on the control arm / ball joint fix and was going to do the job since I thought they were probably shot with 187k mi. on them. I'm second owner so I dont know if orig owner ever had them replaced. I squirted some grease in the pitman arm boot and one of the ball joints that had a tear in it. I was wondering if any one tried drilling and tapping in a zerk fitting where they are accessible on the center link. There is a raised top on the joints that looks like it might be made for doing that but I dont know how thick the metal is and dont want to ruin it.
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I spoke with a few people here before about my 4r100.. it threw a code a month ago for P0750.. i replaced solenoid and it continued to do it even after clearing codes numerous times.. then all of a sudden it was perfectly fine for over a week, no codes, i ran a few brick hauls with it and ran it for over an hour straight.. i went to fl and upon return i took her for a drive and wouldnt you know, the code has returned.. i did hammer down a little but not from a dig, i just got on it a little playing with a neighbor and his truck and all of a sudden it did its thing slipping and not up shifting then the O/D started flashing again... i cant understand why the code would come back all of a sudden, there has to be a wiring problem correct?
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Truck in question is 2002 F150 4.6 with 150K miles. Crew was on interstate tonight driving 65 MPH and truck shut off. They called me out to trouble shoot. Engine had oil (was a quart low) and will not start. Starter engages but will not turn motor over. Had truck towed back to my shop. I removed belt just to see if it may be a locked up pulley i know, long shot)... it was not.
Employed called a shade tree mechanic he knows and trusts. He said was likely a broken timing chain and that is a common problem in 4.6. Said locked engine is probably because broken chain is wrapped around shaft. When I turn key fan does move about 1/4 inch.
1) Does this sound like a possibility or even a plausible explanation? Just trying to verify the information.
2) If this is the case, would a repair be advisable, or is engine likely shot and i should just replace it?
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Just wondering if this is possible, if the ABS light come's on now and then,
And the speedo bounces, as it does, could it trigger the dreaded OD flashing light.
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Yesterday I replaced the bulbs in my heater controls, today I have the Airbag light on, flashing 2/7. And when I turn off the passenger airbag, the "OFF" light does not come on. I've heard if the "OFF" light goes out, you replace the switch, would that possibly cause this code?
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Had a front seal leak on my 2000 F250 V10 with 122000 miles. Since I've towed for years and the tranny had to be pulled I opted to just rebuild the whole tranny. I had problems from the beginning where it wouldn't shift into third and when I took my foot off the gas it would just go out of gear completely and just rev. After I stopped and started over, it would shift fine for the rest of the day.
Finally the O/D stem light started flashing and the mechanic did something to fix it. Since then it has shifted fine but when it went into overdrive the rpm would bump up and kind of slide into overdrive. Left the truck with the mechanic again for two weeks and it's better, sometimes revs and slides into overdrive not every time though.
My problem, besides the overdrive shifting, is it now takes forever to shift in to 4th gear. I have to take my foot off the gas to make it shift into 4th and overdrive won't kick in until 45 MPH. My gas mileage, while bad enough before all this, has now dropped another 2 mpg to around 7.5 to 8. I was thinking about taking it to a Ford dealer for some kind of analysis.
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Dashboard light is flashing. Sometimes it flashes sometimes it doesn't:no real pattern. It just started with no accident or jarring.
1998 F150 5.5 V....
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Why the O/D off light on the dash is flashing??? Whats it mean? Its a 2000 ford explorer...4.0 V-6
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So I was driving my 2004 6.0 auto on the freeway today when the tow haul light randomly started flashing, nothing felt wrong until I stopped, then when I went to pull away it wouldn't shift down from 5th according to my livewire ts says under the commanded gear gauge. It shifts into 6 and overdrive fine. I turned the truck off, the light went off but as soon as I put it in drive it jumped around from 1-2-5 and back down until it locked in 5 again and the light started flashing again. What this could be?
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It is a 1997 Ford f150 5.4 4x4 extended cab 175k miles. Took a 600 mile trip, first 300 no problems, then the "od" light began flashing, the truck shifted fine so I kept going, drove for about a 100 miles then stopped for fuel and read the code, (p1728) cleared the code and drove another 200 miles, no light no problem. The whole time there was no drivability issues. Yesterday I drove all over town, stop and go traffic, locking the TC and it would also unlock, no problems all day, drivability was fine. What to do?
1. Just keep driving it?
2. Does changing fluid fix this problem?
3. Rebuild the trans, because this was just the first notice.
4. Sell it quick no light and drives fine.?
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To start I was driving to work tonight and noticed the o/d "off" light flashing. it shifted hard one time then felt normal the rest of the way to work. At red lights the o/d light world turn off and about 3 minutes later it would flash again. When I got to work, I checked my code reader which gave me the p0705. I have searched around the net for about an hour and one thing i am seeing is that the fluid is "hot" or that there isn't enough. i have checked it and it looks slightly low like right above the add indication.
The only sound I here from under the truck is a rattle when in drive and at idle, but once I give it some gas it goes away. On they way home that night the o/d light was still flashing but it drove fine just at higher rpm, it down shifted hard one time but there were no other issues. I checked the fuses and they are all good.
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My alarm and lights started going off one night. By the time I got to it, everything stopped. When I tried to start the next morning, I got nothing. After several tries, horn and lights started again. The only way to stop it was to disconnect battery.
One person told me that it was the key or the ignition not recognizing the key. I was then told that my truck, 97 f150, had no chip in the key so the problem was the computer.
I replaced my computer with a refurbished one. Once I hooked up the battery, the horn was still going, lights flashing and theft light still blinking. Also, not sure if its related, but when I try to use the key in the passenger door it turns, but there is very little resistance and the door does not unlock.
1997 F150
4.6L V8
4x4
6" Fabtech Lift
235,000 Miles
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2006 E-350 Dually Ambulance Chassis with the 6.0... Approx 125000 miles.
Recently, the truck started an issue. its an every once in awhile thing but has been doing it more recently. The OD light will start flashing and the vehicle will start to have clunking in the tranny and start shifting rough. ABS kicks in making it hard to stop. Once you turn the truck off and back on, Its fine until it does it again. Im connecting to a scanner tomorrow to see if i get any codes.
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