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DTC P0148: - Fuel Delivery Error

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DTC P0148: - FUEL DELIVERY ERROR

Description:  At least one bank is lean at wide open throttle (WOT).
Possible Causes: 
  • Severely restricted fuel filter
  • Severely restricted fuel supply line
  • Damaged or worn fuel pump
  • Damaged or contaminated mass air flow (MAF) sensor
Diagnostic Aids: 
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - GO to Pinpoint Test HC .