P0148 - Fuel Delivery Error

2007 Ford Escape Base, 2.3 Z, FWD, AutomaticSECTION P0148 - Fuel Delivery Error
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P0148 - FUEL DELIVERY ERROR

Description:  Bank 1 is lean at wide open throttle (WOT).
Possible Causes: 
  • Severely restricted fuel filter
  • Severely restricted fuel supply line
Diagnostic Aids:  Apply 21 kPa (3 PSI) to 34 kPa (5 PSI) air pressure to the fuel line. Air should flow freely through the line. Refer to the fuel system WARNING and CAUTION information at the beginning of pinpoint test HC. refer to PINPOINT TEST HC .
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All   - - refer 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.