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Home >> Mazda >> 1998 >> 626 ES, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Introduction >> Additional System Functions >> Drive Cycles >> EGR Monitor Repair Verification Drive Cycle
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EGR Monitor Repair Verification Drive Cycle

Ambient air temperature or IAT PID must read a minimum of 32°F (0°C) to initiate EGR monitor. Perform VEHICLE PREPARATION. Drive vehicle for 5 minutes in stop and go traffic with a minimum of 2 idle periods (30 seconds each). Accelerate vehicle to 45 MPH. Maintain speed for one minute. Stop vehicle and repeat QUICK TEST  .