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Home >> Chevrolet >> 1997 >> Forward Control 7.4 J >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Engine Controls - Basic Testing - 3.1L) >> Preliminary Inspection & Adjustments >> Mechanical Inspection >> Check At Oxygen Sensor

Check At Oxygen Sensor

WARNING: This page is about a different car, the 1995 Pontiac Trans Sport and 1995 Chevrolet Lumina APV. However, it is still accessible from the selected car via links, so may be relevant.

Remove oxygen sensor. Install backpressure tester in place of oxygen sensor. After test is completed, coat oxygen sensor threads with anti-seize compound before installation.

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