To get the Catalytic Converter to glow red you have to overload it with unburned hydrocarbons. Some common causes are: missfiring cylinder due to broken ignition wire or knocked off broken or shorted spark plug mixture adjustment WAY off leaking fuel injector David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, John Podlewski <john_podlewski@xxxx> wrote: > Cat converter cherry hot, ran O.K but took it in for a tune up after 25,000 mi. The delorean has just under 50k on the engine now runs smooth but hot cat. Suspect to much fuel. How do I direct the mechanic to fix a problem that he probably caused, becasuse it was fine before. Don't know what parts he used but will find out tomorrow. What specifically would cause this, any help. > > > > > --------------------------------- > Do you Yahoo!? > Free online calendar with sync to Outlook(TM). > > [Non-text portions of this message have been removed]