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O2 sensor slow response repair

Tiny
RICH BONDERUD
  • MEMBER
  • 1998 SATURN SW2
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 145,000 MILES
Can my OBDII code P0133 (pending) (O2 sensor CKT slow response) be dealt with by replacing the O2 sensor and is the Sensor 1 the upstream or downstream? Thanks.
Saturday, March 5th, 2011 AT 7:39 PM

2 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Most of the time it's a bad o2 sensor I would replace the sensor. It's the sensor in the exhaust manifold.
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Saturday, March 5th, 2011 AT 7:41 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
It's called the upstream or front o2 sensor.
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Saturday, March 5th, 2011 AT 7:42 PM

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