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Inspection

Tiny
HJ
  • MEMBER
  • 1999 FORD FIVE HUNDRED
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 208,000 MILES
I have a 1999 ford windstar that is getting codes for system lean bank 1 and bank 2 I have cleaned the mass airflow sensor do I need to replace it or oxygen sensors
Monday, December 13th, 2010 AT 7:19 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
No, you need to look for a vacuum leak. Listen for a hissing noise and try to follow it to it's source. They are notorious for sucking holes through rubber fittings and hoses.
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Tuesday, December 14th, 2010 AT 6:41 PM

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