1.0 ltr gls i think * As the ceramic monolith in the catalyst crumbles, it blocks the pipe and prevents the flow of used gases out through the exhaust. Very tardy acceleration indeed! * i snipped the above from this groups archives my lads car has a problem with acceleration and also part of the problem is that it drops revs at times when going uphill Question given the statement above regarding the cat could this crumbling ceramic monolith roll about in his exhaust causing the uphill problem.
