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Home >> Pontiac >> 1991 >> Grand Prix STE, 3.1 T >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Controls - Remove/Install/Overhaul >> Fuel System (TBI) >> Oxygen (O2) Sensor >> Notes
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Oxygen (O2) Sensor: Notes

O2 sensor is mounted in the exhaust pipe, below exhaust manifold. It is equipped with a permanent pigtail which must be protected when removing sensor.