Q: Getting error code P0172

asked by on

I am getting error code P0172. I need to find the reason for this and get it fixed.

This code refers to a rich condition on bank 1. This means that the oxygen sensor detected too little oxygen in the exhaust pipe. A rich condition can be caused by many things like leaking injectors, a misfire in one or several cylinders, or even an oxygen sensor giving a bad reading. A qualified mechanic, such as one from YourMechanic, can run a diagnostic test and look at live data from a scan tool as well as pull any other codes stored in the memory. This information is necessary to properly diagnose the issue with your vehicle.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Getting error code P0172

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Possible causes of P0303 code 2009 Dodge Journey

Hi there - misfires can be caused by worn spark plugs, failing coils, or injectors dumping too much (or no) fuel into a cylinder, causing a misfire. Yes, this could be a failing coil. Swap the cylinder #3 coil with...

Q: Parasitic battery drain

I would ask for help from one of the mechanics at YourMechanic. They have the diagnostic equipment and skill necessary to diagnose your parasitic battery drain, and fix the problem.

Q: Engine surging and has a loud noise in Sport mode.

Hi there. Check the idle air control valve (IAC) and see if its working. The IAC controls the engines idle and operation. If the engine is surging, then there is a good posability that the IAC valve may not be...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.