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Home >> Mercury >> 2008 >> Sable Premier, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> P0148 - Fuel Delivery Error
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P0148 - Fuel Delivery Error

P0148 - FUEL DELIVERY ERROR

Description:  At least 1 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   - - refer to PINPOINT TEST HC .
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