0 like 0 dislike
935 views
by

What is the problem with a Toyota 4 Runner with Engine code po172

Vehicle: 2000 Toyota 4 Runner v6

1 Answer

0 like 0 dislike
by (8.9k points)

P0172 TOYOTA - System Too Rich Bank 1

There are many thing that can cause the problem. You could start by inspecting your vehicle for intake or exhaust leaks. If the there are no leak, you could consider replacing the O2 sensor or Mass Air Flow (MAF) meter.

Related questions

33.7k questions

32.5k answers

1.3k comments

23.0k users

Need A Repair Shop?
Find local automotive repair shops in your area.
...