I have a 2009 t31 xtrail MR20 engine CVT tranny 2 wheel drive...I have slow acceleration my RPM does not match my speed..I have changed my transmission with no change in problem..I have also changed tps ;all speed sensors and crank sensor...egr cleaned..engine fully serviced..van scanned and reset a few times ...need help does any one else ever had this issue...
antonnanda4075
Acceleration does not match output speed
The gear ratios in a CVT are generated in the firmware of the tranny computer (TCM), so if you have the right TCM and firmware in the car and the tranny is healthy, it's pretty much impossible for a "wrong gear ratio" to be happening. Have you scanned it with a good scanner? Most cheap ones won't tell you much about a CVT. If you have a 'Droid phone, a free copy of CVTz50 and a $15 bluetooth adaptor will give you the real skinny for both the CVT and engine.
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