mass air flow sensor location?

2001 FORD F-150
120,400 MILES • 6 CYL • 2WD • MANUAL
Avatar
CRROWNER
  • MEMBER
  • 2 POSTS
My check engine light came on today and the code reads PO174 System to Lean (bank 2). Was wondering where the maf sensor is located on the 4.2 v6. The truck is a 2001 with 120,000 miles.
Dec 27, 2007 at 12:35 PM
Advertisement
Avatar
KASEKENNY
  • CERTIFIED EXPERT
  • 18,907 POSTS
I am attaching all the info that you need for this. I would suggest starting with looking for a vacuum leak but I attached the testing that we need to do.

Here are some guides that will help as well:

https://www.2carpros.com/articles/repair-lean-mixture-codes-p0171-or-p0174-on-some-manufacturers

https://www.2carpros.com/articles/how-to-replace-a-mass-air-flow-sensor-maf

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Let me know what questions you have. Thanks
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
Dec 6, 2020 at 12:01 PM