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EVAP System Malfunction

NOTE: The following test procedures are for DTCs P0451 and P0461.
Fig 1: EVAP System Malfunction Detection Condition Possible Cause
G03723706Courtesy of MAZDA MOTORS CORP.
EVAP SYSTEM MALFUNCTION INSPECTION/ACTION CHART

STEP INSPECTION ACTION
1 PCM QUICK TEST
  • Was PCM Quick Test performed? 
 Yes If any other DTC is present, go to applicable DTC Troubleshooting.
If only DTC P0451 and/or P0461 are present, see TEST 3: INTERMITTENT  .
No Perform PCM Quick Test. See PCM QUICK TEST  .
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