1998 Ford Explorer Trouble Codes

Tiny
LONOMA777
  • MEMBER
  • 1998 FORD EXPLORER
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 119,000 MILES
The check engine light keeps coming on, the two codes that keep coming up are P0171 System too Lean (Bank 1) and P0174 System too Lean (Bank 2). What are some causes for this to keep coming up?
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Tuesday, April 15th, 2008 AT 3:30 PM

1 Reply

Tiny
MASTERTECHTIM
  • MEMBER
Dirty or bad mass air flow sensor or a vacuum leak
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Tuesday, April 15th, 2008 AT 7:57 PM

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