You probably got water down in the spark plug wells. Pull the fault codes. My guess is that you will find misfires on one or more cylinders.


Don't ask me how I know.

__________________
"It's not about how fast you can go, but how well you can go fast."

Bob in Richmond

'97 S320 (LWB), Ruby Red Metallic, 73k miles
'97 S420V, Smoke Silver Metallic, 155k miles