2000 Ford F-150 trouble codes P0171/ PO174

Tiny
HENRY LIVINGSTON
  • MEMBER
  • 2000 FORD F-150
Computer problem
2000 Ford F-150 6 cyl Two Wheel Drive Automatic 120494 miles

replaced plugs/ plug wires/ fuel filter/ 4 oxygen sensors/ MAF sensor. Still getting the trouble codes P0171/ P0174. All replacement parts were napa. What is left to replace?
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Wednesday, November 10th, 2010 AT 6:06 PM

3 Replies

Tiny
SERVICE WRITER
  • EXPERT
Prolly a leaking intake gasket.

What liter motor?
4.2?
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Wednesday, November 10th, 2010 AT 6:15 PM
Tiny
HENRY LIVINGSTON
  • MEMBER
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Wednesday, November 10th, 2010 AT 6:24 PM
Tiny
SERVICE WRITER
  • EXPERT
Talk to me.
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Wednesday, November 10th, 2010 AT 7:01 PM

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