I want to locate the diagnostic plug,mercedes 1992 190e 2.3
Don't have obd 2 it uses obd 1. Do the key method off-on-off-on-off-on within a short period of time. Then the check engine light will flash. It will flash stop then flash again. Count the flashes before the pause this is first number then count the flashes after the pause this is the second number this will be first code. If you have more than one code there will be a long pause then follow the previous steps
92 doesnt have an obd ll port
Http://www.troublecodes.net/mb/
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