Receiving codes on all 4 O2 sensors

Tiny
AOVERSTR
  • MEMBER
  • 1998 FORD TAURUS
I am receiving codes P0135, P0141, P0155, and P0161. What could be the cause of this? How do I fix?
Friday, August 21st, 2009 AT 10:45 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached a wiring diagram for you of the system. There is a fuse that controls voltage to the heater portion of the O2 sensors. Check that fuse to be sure it is not failed. If it is failed it will cause all these codes.

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-check-a-car-fuse

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Roy
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Saturday, November 13th, 2021 AT 9:39 AM

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