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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 187 (Emission System) >> Warm-Up Three-Way Catalytic Converter (WU-TWC) Inspection >> Downstream HO2S Graph Line Example 3

Downstream HO2S Graph Line Example 3

WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Equation 

RATIO = 26 inversions (upstream HO2S inversions) divide 19 inversions (downstream HO2S inversions) = 1.4 (deteriorated WU-TWC) 

Fig 1: Downstream HO2S Graph Line Example 3
G00993733Courtesy of MAZDA MOTORS CORP.
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