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What possible action to be performed if check engine light…

Customer Question
What possible action to...

What possible action to be performed if check engine light shows the following: knock sensor malfunction, catalyst efficiency below threshold & idle system malfunction

Mechanic's Assistant: Does the light stay on, or does it blink?

Stay on

Mechanic's Assistant: What is the make/model/year of your car?

Toyota cienna 2001

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

Pep boys replaced catalytic converter & O2 sensor. Still same issue

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

None

Submitted: 5 months ago.Category: Toyota
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Answered in 10 minutes by:
12/25/2017
Toyota Mechanic: Chris (aka-Moose), Auto Technician replied 5 months ago
Chris (aka-Moose)
Chris (aka-Moose), Auto Technician
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Are you getting trouble code numbers?

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Toyota Mechanic: Chris (aka-Moose), Auto Technician replied 5 months ago

Hello, Chris here again,

I am checking in to make sure you got everything you expected from my answer. The option to rate my response or reply is still available. I want to make sure you were pleased with what you paid for.

Thanks Chris

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