On Fri, Mar 30, 2012, at 11:55 PM, Tamas Rudnai wrote: > No warranty unfortunately (4 years old already), plus I was > "inappropriately driving the car" by doing this so in town only -- so > this > is my fault :-) Is it possible to manually burn off the clogging? Maybe with an ad-hoc blast furnace made with concrete blocks, hair dryer and charcoal briquets? Do you need to pass regular inspections? Best regards, Bob --=20 http://www.fastmail.fm - A fast, anti-spam email service. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .