answersLogoWhite

0


Best Answer

USUALLY 2 ONE IS A SENSOR (IN FRONT OF CAT CONVERTER) THE OTHER IS A MONITER (AFTER CAT CONVERTER) THIS SENSOR monitersCATALYTIC CONVERTER EFFIcency

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many o2 sensors in a 2003 Toyota corolla?
Write your answer...
Submit
Still have questions?
magnify glass
imp