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Home >> Mazda >> 2004 >> B4000 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Engine Controls [Self-Diagnostics 3.0L]) >> Diagnostic Tests >> DTC P2228: EGR Boost Sensor Circuit - Low Input >> Detection Condition
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Detection Condition

WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

PCM monitors input voltage from EGR boost sensor. If input voltage at PCM 104-pin harness connector terminal No. 34 is 0.35 volt or less, PCM determines EGR boost circuit has a malfunction. This is a Continuous Monitor (CM). MIL illuminates if PCM detects malfunction condition during first drive cycle. PENDING CODE is available if PCM detects malfunction condition. FREEZE FRAME DATA is available. DTC is stored in PCM memory.

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