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Question
A Toyota 1993 t100 the O/D light comes on every once in a while. Flashed and then goes out. Only when driven  in in stop and go type. I drive every day 25 mil at 60-65.mph on I 40 non stop to work and back. A bit sluggish on the start after driving. Do I need to look for a new truck.

Answer
Possibly yes, especially if it has close to 200k miles, in 1993 they still used the same transmission that came out in 1989. There is an onboard computer which may have some trouble codes stored in it to give a clue as to what may be going on, most repair shops can get the trouble codes for you, then you can reply back and let me know, the problem may be with the O/D system but in most cases this is where problems with these transmissions start.  

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Ted Ritter

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I have more than 28 years experience as toyota technician, I will be able to answer most questions related to the Toyota product line up to the present year models,I am located in the US but welcome questions from other regions of the world. When asking a question please provide specific information: year,model, engine,transmission information. Provide as much information as possible including a brief repair history if possible. I have been a volunteer here for more ten years an have answered over 16,000 questions helping Toyota owners with their problems and save thousands of dollars without any compensation, some of my answers are published on many other websites including google and various automotive forums. DONATIONS ARE VERY MUCH APPRECIATED, IF YOU HAVE RECIEVED HELPFUL INFORMATION PLEASE MAKE A DONATION. AS OF TODAY (JULY 22, 2014) ALL REQUESTED GRAPHICS, ILLUSTRATIONS, DIAGRAMS, PHOTOS, WILL REQUIRE THE MINUMUM DONATION UP FRONT.

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Toyota technician since 1979,expert in electrical systems,OBD systems,engine repair, driveability problems,EFI systems,ASE certified,Toyota master technician.
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Toyota master technician, ASE certified in eight catagories, Hybrid vehicle certified. Toyota technical training: Engine Automatic transmission Manual transmission Drivetrain Electrical systems Brakes and chassis Air conditioning Engine performance and diagnostics Hybrid systems

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