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Old 08-04-1999, 01:39 AM
E. Lee E. Lee is offline
Registered User
Join Date: Apr 1999
Location: Toronto, ON, Canada
Posts: 113

I have a 1988 300E (Canadian Version, i.e. no switch/LED at the diagnostic plug next to the battery) and my car is losing power. Everything has been changed (spark plugs/wires, O2 sensor) etc....

Still, no improvement. I would like to be able to read what fault code (if any) has been set in the computer (and to reset them). I've read that I can build a LED counter (which uses pin 1 and 3), however, pin 3 on the diagnostic plug (next to the battery) doesn't have anything in it (it's just a hole)....the pins that are available are pin 1, 6 and 7.

Any advice would be greatly appreciated.