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Catalytic converter will not past smog

Tiny
INDIO
  • MEMBER
  • 1998 TOYOTA CAMRY
  • V6
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
Everything passes smog but the catalytic converter and the catalytic converter have changed both o2 sensors already.
Thursday, January 20th, 2022 AT 8:02 AM

15 Replies

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

How new is the catalytic converter?

You most likely need to do the drive cycle to set the monitor. Driving normally will not run the monitor. I attached the procedure below for you to follow.

Roy
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Thursday, January 20th, 2022 AT 8:10 AM
Tiny
INDIO
  • MEMBER
  • 8 POSTS
The catalytic converter was just replaced with both o2 sensors. Mechanics have been trying to set it and it's not working. They said the temperature won't go over 172. They also replaced the temperature sensor.
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Thursday, January 20th, 2022 AT 8:13 AM
Tiny
INDIO
  • MEMBER
  • 8 POSTS
And no codes are popping up either.
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Thursday, January 20th, 2022 AT 8:14 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Did they follow the procedure I posted?

Roy
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Thursday, January 20th, 2022 AT 8:14 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
There will be no codes set for the incomplete monitor.

Roy
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Thursday, January 20th, 2022 AT 8:15 AM
Tiny
INDIO
  • MEMBER
  • 8 POSTS
Yes, they did. They have driven it multiple times doing what you said and nothing still.
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Thursday, January 20th, 2022 AT 8:17 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Multiple times? It takes about 20 minutes to do it once and it does not sound right at all. I have never had one that I could not clear.

What brand converter did you use?

Roy
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Thursday, January 20th, 2022 AT 8:23 AM
Tiny
INDIO
  • MEMBER
  • 8 POSTS
I'm not sure. I work at a gas station that has mechanics and it is a car they are trying to sell me. I don't know too much about car repair so I'm just going on what they tell me.
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Thursday, January 20th, 2022 AT 8:29 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
If they used a cheap converter, I can see why it won't set.

We use either Walker or Bozal as our replacements.

Roy
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Thursday, January 20th, 2022 AT 8:35 AM
Tiny
INDIO
  • MEMBER
  • 8 POSTS
I think it cost about $500.00 for it they said.
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Thursday, January 20th, 2022 AT 8:37 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, there should be no reason for the monitor not to be set.

Roy
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Thursday, January 20th, 2022 AT 8:40 AM
Tiny
INDIO
  • MEMBER
  • 8 POSTS
Yes, they just keep saying that the catalytic converter won't pass, and the temperature won't go over 172. I work in Cupertino, and they have driven the car to Redwood City and back and also to San Francisco and back and on the freeway a couple times and still nothing.
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Thursday, January 20th, 2022 AT 8:43 AM
Tiny
ASEMASTER6371
  • MECHANIC
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Distance means nothing. It is all about the process that must be followed.

Roy
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Thursday, January 20th, 2022 AT 11:49 AM
Tiny
INDIO
  • MEMBER
  • 8 POSTS
Yes, thank you for all your help.
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Friday, January 21st, 2022 AT 7:54 AM
Tiny
ASEMASTER6371
  • MECHANIC
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You are welcome.

Always glad to help.

Roy
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Saturday, January 22nd, 2022 AT 7:03 AM

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