[DML] Re: Failed Emissions

["DMC Joe" <DMCJOE@xxxx>]

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


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