Specific GM tools and 02 sensors
10-22-2003, 01:13 PM
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Specific GM tools and 02 sensors
My GM service manual somtimes calls for specific tools such as the J39194 (Oxygen Sensor Wrench). Anyone know of a good place to get these tools? Also Bill if you have the book handy looking for the part number for an H02S Bank 1 Sensor 1 o2 sensor and the Bank 1 sensor 2 o2 sensor (if they are different). Also, whats the dif betweeen a heated o2 sensor and just an o2 sensor? The GM manual doesnt make a distinction.
10-26-2003, 12:16 PM
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as far as the tool goes, any tool dealer, even sears, will have an O2 sensor socket there for sale,
the difference between a heated O2 sensor and one that is not are:
1--- a heated O2 sensor will have 4 wires and one without will usually have 1 wire
2--- the heated sensor has to have power to preheat the sensor for it to work properly and a reg. O2 sensor uses exhaust heat to get it up to temp.
3--- the heated sensor will run you about 4-5 times more than a non heated one.
the difference between a heated O2 sensor and one that is not are:
1--- a heated O2 sensor will have 4 wires and one without will usually have 1 wire
2--- the heated sensor has to have power to preheat the sensor for it to work properly and a reg. O2 sensor uses exhaust heat to get it up to temp.
3--- the heated sensor will run you about 4-5 times more than a non heated one.
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