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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 voltages from EGR valve control signals. If input voltage is more or less than specified when ignition is turned on, PCM determines there is an EGR valve circuit malfunction. This is an intermittent monitor. MIL does not come on.

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