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1997 Mazda 626 code 421 problem

Tiny
LANEBO40
  • MEMBER
  • 1997 MAZDA 626
I have a 1997 mazda 626 mileage is 97k, i'ts giving me a code 421. Ive taken it to 2 mechanics and they have replaced the catalyts converter but it didnt solve the problem. Is there a tempature sensor in the exhaust system that I should look at.
Wednesday, January 3rd, 2007 AT 7:11 PM

2 Replies

Tiny
MWHITNEY
  • MEMBER
  • 63 POSTS


https://www.2carpros.com/forum/automotive_pictures/48676_78757862_1.jpg



https://www.2carpros.com/forum/automotive_pictures/48676_78757863_1.jpg



https://www.2carpros.com/forum/automotive_pictures/48676_78757864_1.jpg

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Tuesday, January 16th, 2007 AT 8:54 PM
Tiny
COSMO
  • MECHANIC
  • 347 POSTS
Which cat did they replace? The one under the car in the center?

Cosmo. Mazda TEch
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Wednesday, January 17th, 2007 AT 12:00 PM

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