It could be a couple things. Yes, speed sensors play a role in shifting as well as a governer, shift solenoids. If the check engine light has come on, have the computer scanned to identify if there are trans trouble codes. If there are no lights, make sure the trans fluid is full and clean. Without a light, it will need checked by a trans tech. Anything I say from here will be a guess.
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Friday, November 4th, 2011 AT 3:34 AM