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Old 07-05-2003, 05:27 AM
mikaelw2001 mikaelw2001 is offline
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Join Date: Oct 2002
Location: Vanersborg, Sweden
Posts: 99
How to check performance?

Hello friends,

I have a 1984 500 SEL and it doesn´t feel as powerfull as it should. At low rpms and at take off it works fine but seems sluggish at speed or slightly higher RPM:s. I will check the plugs, air filter and ignition for the basic faults but any input on trouble-shooting is appreciated.

Also I´m curious on how to check the fuel pressure (guess though that I should capture this when looking at the plugs for a rich or lean condition.

Is there any easy way to check the performance?


Mikael Westerberg
Vanersborg, Sweden
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