Code P0145

Tiny
ARLENE AMADO-MARTINEZ
  • MEMBER
  • 2011 MITSUBISHI LANCER SPORTBACK
  • 2.0L
  • 198,800 MILES
Po145 is the code it keeps reading. I’ve changed all 3 sensors, service light went off for about a day and came back on. What can it be now
Monday, April 5th, 2021 AT 11:32 AM

1 Reply

Tiny
BORIS K
  • MECHANIC
  • 795 POSTS
Hello,

P0145 Oxygen sensor behind catalytic converter, slow response.

Unfortunately you do not mention which 3 sensors you have replaced.
Below is a picture of the rear Oxygen sensor location and of what a new Oxygen sensor looks like.

To replace this sensor please see below link on a general description.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Please let us know how you get along.

Cheers, Boris
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Wednesday, April 7th, 2021 AT 4:35 AM

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