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2001 Oldsmobile silouette, check engine light, 02 sensor

Tiny
STELLI
  • MEMBER
  • 2001 OLDSMOBILE SILHOUETTE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
My van ran fine but the check engine light was on. The code read that I needed an oxygen sensor. I replaced the oxygen sensor, the check engine light went out, van drove fine for a short while but then it started to lose power and almost felt like the transmission was bad. Could the new 02 sensor be faulty or is there another problem?
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Wednesday, April 13th, 2011 AT 4:52 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Scan it again if its the same code if so check wiring back to the computer
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Wednesday, April 13th, 2011 AT 5:09 AM
Tiny
STELLI
  • MEMBER
  • 2 POSTS
I scanned again, now reads that it is misfiring.
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Wednesday, April 13th, 2011 AT 1:45 PM

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