Exhaust manifold Red-Hot?

2007 TOYOTA CAMRY
300,000 MILES • 2.4L • AUTOMATIC
Avatar
JOE1953
  • MEMBER
  • 794 POSTS
Why Exhaust Manifold get Red-Hot on a 2007 Toyota Camry 2.4 le?
Jul 6, 2026 at 8:18 PM
Advertisement
Avatar
STRAILER
  • ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Hi Joe,

A clogged catalytic converter can cause this problem, here is a guide to help see if that is the problem.

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter/


Please go over this guide and get back to me.
Jul 7, 2026 at 2:38 PM
Avatar
JOE1953
  • MEMBER
  • 794 POSTS
the car have a misfire on #3 and #4 Cylinder and the codes are P0300, P0303, P0304. will that cause Exhaust manifold to get red-hot?
Jul 7, 2026 at 8:22 PM
Avatar
STRAILER
  • ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
Yep, that can do it, here is a misfire guide please go over it.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough/



Jul 8, 2026 at 1:05 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.