answersLogoWhite

0


Best Answer

The 2003 Mercury Grand Marquis came equipped with the 4. 6L V8. Oxygen (O2) sensor locations are upstream and downstream (before and after the catalytic converters).

User Avatar

Wiki User

9y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Where is the oxygen sensor on a 2003 grand marquis?
Write your answer...
Submit
Still have questions?
magnify glass
imp