Mark, Number 4 is most likely the reason for your failed emissions rating. DMC Joe / DeLorean Services / <dmcjoe@xxxx> Web Site: <http://www.deloreanservices.com> ---------- > From: MDinu89900@xxxx > To: dmcnews@xxxxxxxxxxx > Subject: [DML] Failed Emissions > Date: Sunday, July 18, 1999 3:44 AM > > After many months of reading and learning of trouble areas and repairs on the > DMC, it is now my turn so here goes. I just took the "D" for its emission > test here in Arizona and failed the portion that deals with oxides of > nitrogen (NOX). The brochure provided to me by the testing described what to > look for: > 1) Possible EGR system malfunction > 2) Abnormal engine operating temperature (car has run consistently within > normal temperature ranges) > 3) Air management system > 4) Lean air/fuel mixture > 5) Catalytic converter efficiency > 6) Over-advanced off-idle timing > > The question I have is out of these possible causes, which is the most likely > to cause this failure and have checked first, then second, etc.? I'm sure > this has occured to someone else and any assistance is greatly appreciated. > FYI, the car is a 1983 automatic with 2,760 miles. Thanks again. > > Mark D. > 16728 > Plate -- OUTATME ------------------------------------------------------------------------ To address comments privately to the moderating team, please address moderator@xxxx