What is a P0172 fault code?
What is a P0172 fault code? What the P0172 code means. P0172 indicates that there is too much gasoline being detected in the exhaust gases exiting the combustion chamber. The ECU uses a number of instruments, such as the mass air flow sensor (MAF), oxygen sensors, and manifold absolute pressure (MAP) to monitor the air-fuel ratio of the engine. What is the meaning of the code p0172? Code P0172 Definition Bank 1 has more fuel then it should or not enough air. What Does P0172 Mean? Combustion engines run most efficiently when they maintain an air-fuel mixture ratio of 14.7...