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2000 Saturn SL1 CODE PO140

Tiny
HUSKY20
  • MEMBER
  • 2000 SATURN SL1
  • 1.9L
  • 4 CYL
  • FWD
  • MANUAL
  • 200,000 MILES
REPLACED BOTH O2 SENSORS ONE WAS A UNIVERSAL O2 SENSOR I STILL GET CHECK ENG LIGHT COMING ON WITH CODE PO140 ANYTHING ELSE I SHOULD LOOK AT FOR THAT CODE THANKS.
Monday, March 10th, 2014 AT 2:55 PM

3 Replies

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
This is for the 02 sensor closest to the rear of the car or the downstream "sensor 2." Ive seen these not do well aftermarket. The code wont automatically reset itself and sometimes its just a bad sensor out of the box. You can also check for burned wires on the 02 sensor harness
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Monday, March 10th, 2014 AT 4:19 PM
Tiny
HUSKY20
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Thank you for your help have a good day.
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Thursday, March 13th, 2014 AT 2:30 PM
Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
Youre so welcome let me know if it helps
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Thursday, March 13th, 2014 AT 4:01 PM

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