2004 Nissan Sentra catalytic converter

2004 NISSAN SENTRA
Avatar
PATACAKE
  • MEMBER
  • 28 POSTS
Engine Performance problem
2004 Nissan Sentra 4 cyl Two Wheel Drive Automatic

my enine light came on ,i took it to auto zone and they said the code came uppo420 witch involved the cataltic converter, now does this car have 2 converters on it? i had it replaced about 2 years ago can it have gone bad already or could it be the oxgen sensor? PLEASE HELP
Oct 21, 2010 at 10:26 AM
Advertisement
Avatar
BLUELIGHTNIN6
  • CERTIFIED EXPERT
  • 16,542 POSTS
cat. converters rarely fail and even when they do its usually because of something else that is not working properly such as oxygen sensor , EGR system etc... your vehicle does have 2 , a front and rear cat. converter but I would not be surprised if the oxygen sensors were at fault here.
Oct 21, 2010 at 4:05 PM
Avatar
PATACAKE
  • MEMBER
  • 28 POSTS
yes you helped me alot thank you so much
Oct 21, 2010 at 9:07 PM
Advertisement