What causes the p0172 code on a GMC Sierra?
The P0172 code on a GMC Sierra will often be thrown if the fuel injection system is not operating properly. Typically the code will be triggered by a rich condition in the engine. There aren’t usually any drivability issues associated with P0172.
What is the trouble code on a GMC Sierra?
A common trouble code with the GMC Sierra is P0172. This code number references a number that is given to you when you plug your car into a OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose.
What does rich mean on a GMC Sierra?
A rich condition indicates that the air fuel mixture has too much fuel or not enough air. This would be the opposite of a lean condition, which’ll throw P0171. The P0172 code on a GMC Sierra will often be thrown if the fuel injection system is not operating properly.
Why does my Sierra engine keep running rich?
My 2011 Sierra start throwing up the P0172 & P0175 codes. From what I’ve found online, it’s running too rich. And all the “fixes” I’ve found range from simple (run a can of fuel injector cleaner) to not so cheap (replace all your fuel injectors).
The P0172 code on a GMC Sierra will often be thrown if the fuel injection system is not operating properly. Typically the code will be triggered by a rich condition in the engine. There aren’t usually any drivability issues associated with P0172.
A common trouble code with the GMC Sierra is P0172. This code number references a number that is given to you when you plug your car into a OBDII scanner. It’s not the most complicated OBDII trouble code to diagnose.
A rich condition indicates that the air fuel mixture has too much fuel or not enough air. This would be the opposite of a lean condition, which’ll throw P0171. The P0172 code on a GMC Sierra will often be thrown if the fuel injection system is not operating properly.
What does it mean when fuel trim is p0172?
Ideally, the Long Term Fuel Trim should be close to 1 to 2 percent. When a code P0172 is set, it means that the Fuel Trim is anywhere from -15 percent to as low as -30 percent compensated. When this happens, the computer knows that there is an improper condition in the control of the Fuel System.