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1999 Ford Explorer 1999 Explorer O2 Sensor

Tiny
TSKI17
  • MEMBER
  • 1999 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
My 1999 Explorer has started idling very rough (real low at stop lights, stalled out once) and is driving very rough and noticibly lacking power, especially under accelaration or from a dead stop. I am pretty confident that my O2 sensor has gone bad. I am a mechanic by no means, but am mechanically inclined and am sure I could replace these myself with a little guidance. Can anyone help?

Thanks in advance!
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Monday, December 21st, 2009 AT 12:04 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there, I would first run a diagnostic scan as a faulty O2 sensor will pull a code, I would be suspecting the idle control system, check for vacuum leaks, faulty plugs and do that scan as well. Report your findings here for more assistance.

Mark (mhpautos)
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Monday, December 21st, 2009 AT 4:00 AM

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