A bad gasket could cause the rough stumbling feeling, yes.

The reason your car won't rev past 4K in PARK is a safety reason. That is normal operation, and is on every CD4E transaxle.

Ray

'99 CSVT - Silver #222/276 In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.