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While driving the overdrive light turns on and flashes

Tiny
SMARTBUSINESS3
  • MEMBER
  • 2001 FORD RANGER
  • 130,000 MILES
I couldn't turn it off. What causes it? Does low fluid do it? It just started today it does not blink it just come on and wont go off. Even if I push button.
Monday, July 1st, 2013 AT 8:44 PM

29 Replies

Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Check the oil level. it may be low. I would run the codes as well, here is a guide to help us get started.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please run down this guide and report back.
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Tuesday, July 2nd, 2013 AT 1:31 AM
Tiny
SMARTBUSINESS3
  • MEMBER
  • 2 POSTS
What oil level? The transmission fluid or the engine oil?
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Tuesday, July 2nd, 2013 AT 10:46 AM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
The transmission. It's most likely an internal transmission switch problem. Any transmission shop can verify this but you will need to pay a check out fee.
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Wednesday, July 3rd, 2013 AT 2:05 AM
Tiny
HOUSTONTX
  • MEMBER
  • 1 POST
  • 2000 FORD RANGER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 85,000 MILES
Recently my overdrive light has been blinking on and off only when I come to sudden stop. I noticed after if starts doing this my truck seems to have trouble accelerating very fast when I come from being completely stopped to about the first gear. It then kicks into gear and is fine until I come to another stop again. I usually quickly turn off the truck and back on again while I'm waiting for the red light and it fixes the problem for the most part for about 30 minutes then it starts blinking again. Any idea what the problem could be, and how do I go about fixing this problem?
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Saturday, April 11th, 2020 AT 11:53 AM (Merged)
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Start by having the PCM scanned for codes. The light blinking is its way of telling you something isnt right. Get back to us with the info
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Saturday, April 11th, 2020 AT 11:53 AM (Merged)
Tiny
IMHOOT
  • MEMBER
  • 1 POST
  • 2000 FORD RANGER
  • 60,000 MILES
While driving my ranger it suddenly downshifted speedo quit working abs light came on and overdrive light began flashing on and off.I pulled over and turned the truck off, I then disconnected the negative cable at the battery for a minute then reconnected it. Started truck abs light stayed on put truck in gear had to really get on the gas to get it to shift into second, it shifted really hard into second then the overdrive light started blinking on and off again, speedometer still not working.
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Most probably you have a fault with the wheel speed sensor which is causing all the problems. Get a scan done to check which wheel sensor or circuit is faulty.
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
FERN277
  • MEMBER
  • 1 POST
  • 2000 FORD RANGER
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 205,000 MILES
My overdrive light keeps flashing and it seems that I can't accelerate
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Flashing OD light indicates fault with the tranny. Need to have a diagnostic ran on the tranny, could be faulty sensor or something more internal of the tranny.
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
DOGGONE
  • MEMBER
  • 6 POSTS
  • 2000 FORD RANGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
I was driving the other day while it was raining and my wipers quite working. I turned around to head home and my transmission started shifting rough, then the overdrive light started flashing. Before I made it to the driveway then the service engine light came on. I had a vehicle that did similar problem and it was the alternator. It was not the problem but I changed it anyway since the local autoparts store stated the diods were burned out. 2 weeks prior replaced battery.
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
If the check engine light came on, have the PCM scanned for codes, it may give us a clue as to what happened. It should have recorded a code if it came on and the truck was still running. Have you looked for water in the underhood power center just to see if something got wet by chance? So now the alt is working?
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
DOGGONE
  • MEMBER
  • 6 POSTS
Sorry to take so long to respond. Tried to get mechanic to come to my residents to do a code ck. They only wanted to tow me in then give ck, so I bought a machine myself. The code read PO500 Generic speed sensor A malfuction transmission. Please tell me the location in the transmission (style 'T') and from what year to what year is tranny is compatible. My original email stated that transmission (automatic) was shifting rough, speed odometer quit working, overdrive light was flashing, windshield wipers quit wkg//Thanking you in advance for your help
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
That code points to a malfunction in theVSS (vehicle Speed Sensor)This will make the speedo not work and the trans shift erratic or abnormal. I would start by removing it and check the gear in the trans. If ok, you may just need a new VSS (Located in tailshaft of trans)
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
DOGGONE
  • MEMBER
  • 6 POSTS
I changed out the VSS, which according to others on this particuler 2000 model ford ranger is not located the the trans. But in the rear end. I changed the sensor and I still have the same prob, I disconnected the battery and had my PBDII reset the trouble code. Any clues?
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
DOGGONE
  • MEMBER
  • 6 POSTS
Reply: Trouble code was po500-which I think indicated the speed sensor on the rear axle which I replaced and still have the same prob, illregular trans. Shift, overdrive light blinking, speed odo. Not working. It is s 3.0L engine with a model "T" tranny
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
RUTTDADDY
  • MEMBER
  • 2 POSTS
  • 2000 FORD RANGER
Transmission problem
2000 Ford Ranger 6 cyl Two Wheel Drive Automatic 100k miles

why would a tranny overdrive light blink & try to kick in and out? Is this a sol. Problem?
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
FLEXY5
  • MECHANIC
  • 512 POSTS
You need to get the computer scanned first and get a code. Some codes can be produced be electrical faults, but others can be mechanical/internal failure. Try to get a code and post back. We can better give you an answer from there.
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
2007TOMR
  • MEMBER
  • 2 POSTS
  • 2000 FORD RANGER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 119,000 MILES
Transmission stuck in overdrive, OD light does not work
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,644 POSTS
IS OD the only gear you have, or does it shift through and always shift into OD? In other words, you can't shut the OD off?
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)
Tiny
2007TOMR
  • MEMBER
  • 2 POSTS
It shifts OK but is in OD, OD OFF light not on, no tach on instrument panel
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Saturday, April 11th, 2020 AT 11:55 AM (Merged)

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