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300e 2.8, No voltage to the o2 sensor heater 300e 2.8, No voltage to the o2 sensor heater
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Old 07-08-2010, 02:46 AM
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Join Date: May 2010
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300e 2.8, No voltage to the o2 sensor heater
I'm not getting 12 volts to the o2 sensor heater. Looking at the wiring diagram, it looks like the V+ wire goes directly from the sensor heater to pin 30 of the ECM. Does anyone know if there is a relay and/or fuse in this heater circuit?
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