Where is the MAF located?

Tiny
TRISHA92
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 225,982 MILES
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.
Sunday, March 9th, 2025 AT 9:49 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,446 POSTS
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.
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Monday, March 10th, 2025 AT 11:08 AM

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