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GMC Truck
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1998
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S15/T15 Sonoma P/U 2WD L4-2.2L VIN 4
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Sensors
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Heated Oxygen Sensor (HO2S) Bank 1, Sensor 2
Heated Oxygen Sensor (HO2S) Bank 1, Sensor 2
In the exhaust pipe, to the rear of the catalytic converter