Where is the MAF located?

2004 CHEVROLET TRAILBLAZER
225,982 MILES • 4.2L • 6 CYL • 2WD • AUTOMATIC
Avatar
TRISHA92
I got a diagnostic run on my car, and it is MAF needing replacement and I can’t seem to locate it anywhere. My idle is rough and it bounces in between 500-700 RPMs. I know I have some misfires also; I broke a bolt in #4 coil bolt hole and it’s not snug, but it read the MAS. I need help, my make and model does not seem to have a MAF, I bought the larger round one that is supposed to hook into the hose.
Mar 9, 2025 at 9:49 AM
Advertisement
Avatar
STRAILER
  • ✓ASE Certified Mechanic
  • 54,503 POSTS
  • ASE Certified Mechanic
This vehicle does not have a MAF sensor, it has a MAP sensor, here is the location. Check out the images (below). Let us know if you need anything else.
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Mar 10, 2025 at 11:08 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.