Posted 3/9/2009 09:55 (#637166 - in reply to #637131) Subject: Re: Sooty Dirty Air Filters at lower hours
southeast Washington
Check your exhaust pipe, the air cleaner asperater is rusted out and sucking exhaust in the air cleaner.I can't remember if they have that on a 30 series or not but if its on there its the problem.
Sooty Dirty Air Filters at lower hours
