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More on Oxygen sensors 200 91

posted by  someone claiming to be Marten Douma on  Sun Feb 7 02:58 CST 1999 [RELATED]

Apologies for inflicting another question on you. Anybody know what the resistance of the O2 sensor heater should be? mine says 2.2 ohms. With only the green wire connected to the ECU I get a pretty stable .52 volts, which I have read in the archives to be the ECU reference voltage. Hopefully all is well at that end. If I connect the heater (there is ~13.5v on the harness side, btw) the sensor voltage decays over about 30 seconds to .01 volts. At no time does voltage sweep from .3 to .7 v.

A Bosch Ford 5 litre sensor is $97.80 (cdn) at a local import autoparts store, the Volvo sensor is $280 something. Can't remember for sure, my brain locked up at two-eight.......

Marten





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posted by  someone claiming to be Marten Douma  on Sun Feb 7 02:58 CST 1999 >


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