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I have a 2011 toyota aurion. traction and engine light are…

Customer Question
I have a 2011...

I have a 2011 toyota aurion. traction and engine light are on, and the dealer says it is because the catalytic converter needs replacing. Code is P0158. Car has done 64000kms. P0158 refers to a sensor, but does this meaan that the catalytic converter needs replacing?

Mechanic's Assistant: Has your vehicle stalled? Has anyone run a diagnostic test to pull the trouble code?

The vehicle runs perfectly, the trouble code is P0158

Mechanic's Assistant: What is the model of your '11 Toyota?

Aurion

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

The car is at the dealer. They have replaced oxygen sensor 1 and now saying that I need a new catalytic converter

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

I put in 1 only tank of E10 fuel which is OK according to the Aurion manual.

Submitted: 7 months ago.Category: Australia Car
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Answered in 10 minutes by:
12/7/2017
AU Auto Mechanic: Gary, Australia Car Mechanic replied 7 months ago
Gary
Gary, Australia Car Mechanic
Category: Australia Car
Satisfied Customers: 1,912
Experience: Senior Technician
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Hello! My name is Gary.
Welcome to JustAnswer.
I'm reviewing your question now, and will post back with a reply shortly.

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AU Auto Mechanic: Gary, Australia Car Mechanic replied 7 months ago

Hello there,

P0158 refers to bank 2 sensor 2.

I would swap the rear O2 sensors, and see what new code sets first.

Could also be a wiring harness fault.

Cat convertors don't set codes like this.

Gary

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AU Auto Mechanic: Gary, Australia Car Mechanic replied 7 months ago

Hello again,

Do you need any further help?

I hope my advice has been of assistance to you.

Kind regards

Gary

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