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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P0148: Fuel Delivery Error

DTC P0148: Fuel Delivery Error

P0148 - FUEL DELIVERY ERROR

Description:  At least 1 bank is lean at wide open throttle.
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 .
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