Its not the imrc if it is affecting your revs independantly.

sensors can be the culprit, as can a slipping TC(assumption of an ATX with your "3rd drive" statement..) This "should" flash your O/D light though.

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.