Posts Tagged: Ford P0172

Ford P0172, P0175

January 8, 2016

Bad purge valve sets Ford P0172, P0175 trouble codes These trouble codes can have you chasing your tail down all kinds of dead ends. But many times a bad purge valve can set Ford P0172, P0175 trouble codes What Ford P0172, Ford P0175 trouble codes mean Let’s start with the official definition: P0172 System too Rich (Bank 1) P0174 System too Lean (Bank 2) The codes are telling us that this is a “V” style engine because it shows codes for two engine banks and both oxygen sensors are detecting … Read More