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4299, RE: New free mod, torque reduction sensor switch
Posted by jack_of_trades, Dec-31-69 06:00 PM
Originally posted by jack_of_trades
What switch are you referring to? I haven't done the actual mod to my car if thats what you assumed. I am just having the symptoms of the mod on a stock setup i.e: losing the 4-3 downshift above 70mph+
This thread never seems to die,lol. Oh, I found the problem I was having back then. My coolant temp was going below 175 degrees due to my thermostat getting hung up and never closing completely. The TCU still considers the engine/tranny to be "cold" if it sees the coolant temp below 175 degrees. It doesn't allow the tranny to max out 3rd gear as a safety precaution for the engine/tranny.
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