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Home >> Mazda >> 2011 >> CX-9 Touring, 3.7 V, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (2 Of 5) >> DTC P0148: Fuel Delivery Error >> Notes

DTC P0148: Fuel Delivery Error: Notes

DTC P0148 CHART (MZI-3.7)

DTC P0148 Fuel delivery error
DETECTION CONDITION 
  • At least 1 bank is lean at wide open throttle (WOT).
POSSIBLE CAUSE 
  • Damaged or worn fuel pump
  • Damaged or contaminated MAF sensor
  • Severely restricted fuel filter
  • Severely restricted fuel supply line
  • PCM malfunction