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1999 Chevrolet S-10 oxygen sensor fault

Tiny
HANKSTER66
  • MEMBER
  • 1999 CHEVROLET S-10
  • 4.3L
  • V6
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Truck started chugging especially when cold and engine light came on. Hooked up my scanner and found 02 sensor code. Purchased the part today but am unsure how to determine which sensor to change as I understand there are more than 1.
Saturday, March 15th, 2014 AT 9:00 PM

3 Replies

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
Bank one is on the driver side exhaust, bank two is on the passenger side exhaust. Sensor one is ahead of the catalytic converter and sensor two is behind it toward the rear of the vehicle for both sides. So a bank one sensor one is the first one back from the motor on the drivers side
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Sunday, March 16th, 2014 AT 7:28 AM
Tiny
HANKSTER66
  • MEMBER
  • 2 POSTS
Mission accomplished, truck runs great, Thanks a lo for the help
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Sunday, March 16th, 2014 AT 3:57 PM
Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
Thank you for the compliment you made my day. And you are very welcome, I'm glad it worked
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Sunday, March 16th, 2014 AT 3:59 PM

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