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Prev Professional Automotive Repair Technical Discussions for April 15, 2007
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1988 Mercedes-Benz 300TE 3.0L Poor Fuel Economy, on-off ratio VIN: WDBEA90D8J
I'm trying to check the on-off ratio with my working Hartmann tester. With the motor running and warmed up, the needle remains at 0 when properly connected and shows battery voltage with a dvom at pin#3. In the factory '88 YMB, it states the CA model ecm isn't...
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