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2002 Ford E-Series Van O2 sensor

Tiny
JANDBMAKER
  • MEMBER
  • 2002 FORD E-SERIES VAN
  • V8
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
My 2002 ford e150 runs extremely rough on a cold engine. After warming up, it does quite a bit better, but still a little rough. Check engine light is on, and O'reilly's says it is the code for 02 sensor. Should I trust this as being the o2sensor? If so, how easy is it to fget to; I think they said it was bank 1. Thank you!
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Saturday, August 28th, 2010 AT 9:40 AM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Hello and thanks for donating

A failed oxygen sensor will rarely cause a rough idle issue, although a clogged catalytic converter will cause this issue and will also throw the oxygen sensor trouble code. I would suggest having the cat. Converter flow tested as well as replacing the oxygen sensors. They are part of regular maintenance anyway and are not difficult to replace.
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Saturday, August 28th, 2010 AT 11:46 AM

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