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Old 02-12-2005, 08:20 PM
A264172 A264172 is offline
Ta ra ra boom de ay
Join Date: Jun 2004
Location: Pittsburgh
Posts: 1,915
Originally Posted by ctaylor738
You are almost off the chart on both HC and CO - I think you have something more basic than the O2 sensor wrong, like the fuel distributor, EHA, start valve, or the warm-up system. Something would appear to be dumping a lot of unneeded fuel into the cylinders, which is consistent with your note about fuel economy. If you don't deal with this promptly, you will foul your converter.
I have taken off the air cleaner and browsed around a little but this is pretty new stuff to me. I have read about my fuel injection system so I am roughly familiar with how the system works but I am not really familiar with testing procedures and where to start. So I guess I have more reading to do.
As I am off to that now I will moniter this thread for any sugestions.
Multi-Meter is fired up and ready. Just got to figure out where to stick it.

1986 300E 220,000 miles+ transmission impossible
(Now waiting under a bridge in order to become one)

Reading your M103 duty cycle:
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