Hi zinger,
Thank you for the donation.
The trans is cocntrolled by the PCM and any differences in engine performance can cause faults in the shifting.
Does the OD indicator light comes on or blinks when the problem starts?
Get a second opinion from another source.
There is a self diagnostic system you can go in to check for DTCs.
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Saturday, September 27th, 2008 AT 10:22 PM