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07-15-2013, 04:28 PM | #1 | |
AF Newbie
Join Date: Jul 2013
Location: Loyal, Wisconsin
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2000 caravan jerks hard and the spedo drops at highway speeds.
Hi, my van just started to have this issue today with jerking real hard like its dropping a couple of gears while going between 50-60mph. It is a 2000 with the flex fuel 3.3L 4 speed auto.When this happens the spedo will go from 55mph to 40 instantly while keeping a steady speed and it feels like the tranny is going to rip right out. This will happen every 5 to 10 min but go back to normal driving after 3 sec and has not popped any codes. It runs like a top and all fluids are at the correct levels. I have to commute 50 miles a day to work so i really need to figure this out!!! Thanks, Robby
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07-16-2013, 12:31 AM | #2 | |
AF -Advisor
Join Date: Mar 2004
Location: San Diego, California
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Re: 2000 caravan jerks hard and the spedo drops at highway speeds.
If you're saying the speedo is erratic along with the jerking it sounds like a classic output speed sensor failure. That would be a good starting point (~$25) but just be aware it could also be wiring or the TCM (tranny computer). Here's a pic: http://ww2.justanswer.com/uploads/do...41602_41te.jpg If you decide to change it check connections first for corrosion and security. The sensor is used by the speedo as a speed reference and for shift scheduling by the tranny.
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