Check engine light on and code P0031

Tiny
YOLANDA1966
  • MEMBER
  • 2005 TOYOTA CAMRY SOLARA
  • 3.2L
  • V6
  • AUTOMATIC
  • 187,793 MILES
The code above came up so replaced sensors bank 1 sensor l and bank 2 sensor 1, check engine light still on. I read that cheap part might do it, so I replaced bank 1 sensor 1 again with a Denso. Still on. Is there a certain way to reset check engine light? Why is the light still on? I need to get it smogged. Can you help me?
Thursday, June 11th, 2020 AT 4:19 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,077 POSTS
Hi,

The code indicates low voltage, bank 1 sensor 1. Usually that is caused by a connection issue. Have you inspected the wiring to make sure there are no breaks or damage? Also, have you checked the sensor relay? See pic 1 for location.

As far as the check engine light, the code needs deleted using a scan tool. Do you have access to one?

Let me know.
Joe
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Thursday, June 11th, 2020 AT 9:47 PM

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