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Home >> GMC >> 1996 >> Forward Control 4.3 W >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Controls - System/Component Tests - 7.4L) >> Fuel System >> Fuel Control >> Oxygen Sensor (O2S)
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Oxygen Sensor (O2S)

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 1995 GMC Vandura Special, 1995 GMC Vandura, 1995 GMC Suburban, 1995 GMC Rally Camper Special, and 1995 GMC Rally. However, it is still accessible from the selected car via links, so may be relevant.

See ENGINE SENSORS & SWITCHES .

NOTE: If injectors are dirty, they should be cleaned using approved injector cleaning procedure before performing port fuel INJECTOR BALANCE TEST.
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