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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0131, DTC P0132, DTC P0151 Or DTC P0152 >> Detection Condition

Detection Condition

WARNING: This page is about a different car, the 2003 Mazda MPV and 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

PCM monitors input voltage from front HO2Ss when engine speed is more than 1500 RPM and ECT is more than 158°F (70°C). If input voltage from front HO2Ss remains less or more than 0.45 volt for 33.6 seconds, PCM determines there is no front HO2S inversion and DTC is set. This is a continuous monitor. MIL is illuminated if PCM detects malfunction in two consecutive drive cycles.

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