Ford Explorer 1997 4X4 192000

Tiny
BASHIE1
  • MEMBER
  • 1997 FORD EXPLORER
My explorer is still coming up wit the codes 0171 and 0174 It says the fuel is to lean on both banks. Is is possible its a vaccum leak. THe vaccum lines have been replaced as well as everything except the egr valve. Its not really running rough at all. What do you think it could be?
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Wednesday, February 21st, 2007 AT 8:52 AM

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Tiny
KIN CHAN
  • MEMBER
Type obd2 and system lean on google.U'll probably have 40-80 pages of conditions. On ford most likely mass air flow sensor. Don't change it. Have a shop using a scanner and do a fuel trim evaluation then take according data value and calculate volumetric to determine the accuracy of the mass air flow sensor. Or else. Any mechanic know how to use a scanner should have no problem to nail it down. Good luck man
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Wednesday, February 21st, 2007 AT 11:27 AM

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