FixVault

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