1991 K5 BLAZER CODE 13

  • Tiny
  • chevymetal1991
  • 1991 Chevrolet Blazer

I Have a 1991 chevy k5 (v10 4x4) blazer mileage 202636 with a manual trans last night it I started running realy bad its sputtering and barly running I ran the error code and its coming up code 13 wich is o2 sensor circiut open I replaced the o2 sensor still didnt help

Do you
have the same problem?
Wednesday, June 6th, 2007 AT 12:42 PM

1 Reply

  • Tiny
  • backyardmechanic
  • Member

If you are still getting the same code then I would check to wiring/harness to the O2 sensor. If the O2 sensor wasn't bad/open then it is probably the wiring.

Was this
Wednesday, June 6th, 2007 AT 12:46 PM

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