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Catalytic converter replacement

Tiny
GARETHGAZZ
  • MEMBER
  • 2010 VAUXHALL ASTRA
  • MANUAL
  • 83,000 MILES
Hi. If a catalytic converter is close to needing replacing, should this come up on an MOT? I bought a car in December with an MOT done in November, but the engine light came on yesterday and diagnostic says it needs a new catalytic converter and that the front flex pipe is blowing.
I'm trying to figure out if they did the MOT properly or if I was taken advantage of when I bought the car.
Thanks!
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Saturday, February 1st, 2020 AT 3:04 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

They can go suddenly. If it has been a year, I suspect it was okay when it was done.

Let me know if you have other questions.

Joe
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Saturday, February 1st, 2020 AT 8:47 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

I was wondering how you made out with the problem. I should have added it before, but here is a link that explains how in general to replace a catalytic converter. Hopefully it will help and isn't too late.

https://www.2carpros.com/articles/catalytic-converter-replacement

Let me know if this helps or if yo have other questions.

Take care,
Joe
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Saturday, December 12th, 2020 AT 8:09 PM

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