Frequent Shifting
WARNING: This page is about a different car, the 2002 Mazda 626 and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
See ABNORMAL SHIFT . Other possible causes: poor electrical ground, TP sensor malfunction or misadjustment, input/turbine shaft speed sensor, PCM malfunction, VSS malfunction, and/or clutch slippage.