![ford diagnostic code p0172 ford diagnostic code p0172](https://www.aa1car.com/library/lean_code_p0174.jpg)
Mixture enrichment arises from the incomplete combustion (excessive supply or air disadvantage) when fuel is not burned, it means that spark plugs or coils work poorly when it is supplied with an excess, there is the oxygen sensor or nozzle fault if there is no air, air consumption sensor gives incorrect data.įuel excess can rarely happen, but the lack of air is a typical problem. To understand what caused the system too rich error, it is necessary to make a list of reasons using a small algorithm. Warning light on dashboard goes out only if diagnosis does not determine failure during the three test cycles.
![ford diagnostic code p0172 ford diagnostic code p0172](https://i.ytimg.com/vi/Y4aeyYFDPxc/maxresdefault.jpg)
FORD DIAGNOSTIC CODE P0172 TRIAL
The engine must run and the fuel supply takes place with feedback from the oxygen sensor (lambda probe), with no errors from the coolant sensor, intake air temperature sensor, absolute pressure (MAP sensor), camshaft and crankshaft position sensors, and the throttle position sensor, when the average total value of short- and long-term adjustment of the fuel is less than 33% in just over 3 minutes of the 7 trial period. In some cases, the fuel consumption will be conspicuous, some flooding at idle or speed drift, of both hot and cold engine. Diagnostic Trouble Code (DTC) P0172 OBD IIĭepending on the reason that caused the appearance of the error code, the car state is different as well.