Originally Posted by
pizzaguy
1) Catalytic not Cadillac. 2) I've driven a LOT of vehicles well past 200,000 miles, one went to 408,000 and I never had a convertor plug up. What makes you think it is plugging up?
When I start up and go its fine for a minute. Then it starts getting sluggish and sputter. If I go at a high rate of speed it doesn't do it. At the light while I'm idling it runs rough.