Fuel system running lean.
P0172 = System to rich (bank1). Year, make and engine would help us help you better.
I have a 2004 Acura rsx type s check engine light is on has code po172 how do I fix it n what r the possible causes
That is the check engine light.
A flashing check engine light is an indication of a misfire.
Does the light say check gauge or check engine?
Yes. I have a bad cylinder in the engine of my Saturn Outlook and it was detected by the check engine soon light.
Engine idling in park.
Check engine light, see related question below.
go to autozone to ask to check your codes
Code P0172 - Bank 1 Rich. Can be an intake manifold leak, vacuum leak, or can be a leaking pressure regulator under the plenum. It can be other things this are just the most common.
have vehicle scanned to determine the problem
That is the check engine light, see related questions below.