DTC P0148: - Fuel Delivery Error

2009 Ford Ranger 2D Pickup, 2.3 D, AutomaticSECTION DTC P0148: - Fuel Delivery Error
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 .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.