P0073 is a common OBD2 trouble code that can affect the Ford Expedition. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your vehicle’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating your vehicle’s automatic climate control … Read more
P0088 is a common OBD2 trouble code that can occur in the Ford Expedition. In layman’s terms, it indicates that your SUV’s fuel pressure is too high. While P0088 is a generic code, repair steps will vary depending on your Expedition’s model year, engine type, and how it regulates fuel pressure. P0088 Definition: Fuel Rail/System … Read more
P144C is a Ford-only DTC trouble code, and as such, it applies to your Ford Expedition. It indicates that the EVAP canister purge check valve is not performing within spec. P144C is most often fixed by replacing the EVAP purge valve assembly (due to the purge valve being stuck open or closed), which can be … Read more
P1450 is a manufacturer-specific trouble code. In the case of Ford-made vehicles (such as the Ford Expedition), it indicates that the pressure in the fuel tank is not bleeding up to the engine. This code is very common, and not a breakdown risk when it appears by itself. Far and away, the most common cause … Read more
P1289 is a manufacturer-specific diagnostic trouble code. In the case of Ford-built vehicles (such as the Ford Expedition), it indicates that the cylinder head temperature sensor returned a value to the powertrain control module (PCM) that was greater than the signal should be during a self-test cycle. The most likely cause of P1289 is a … Read more
P2271 is a generic DTC trouble code that can affect the Ford Expedition . It indicates that the oxygen sensor located on bank 1 in the second position is continuously sending voltage with a value that is too rich. There are oxygen sensors on both sides of the catalytic converter. The “upstream” one is used … Read more
P2279 is a generic OBD-II code. It indicates there is a vacuum leak coming from your Ford Expedition ‘s air intake system. While P2279 is a generic code (it has the same definition for the Expedition as it would any other vehicle made after 1996), repair steps will vary based on model year and engine. … Read more
P0605 is a relatively rare OBD-II trouble code that can occur in the Ford Expedition . It indicates that PCM (powertrain control module) is not passing its ROM (read-only memory) self-test when you turn the ignition on. While P0605 is a generic code (it has the same meaning for any car or truck), it is … Read more
P0116 indicates that your Ford Expedition ‘s engine coolant temperature sensor is sending a signal to the PCM (powertrain control module) that is outside of its normal operating range (in terms of voltage). While P0116 is a generic OBD2 code (it has the same definition for any car or truck), it has the same basic … Read more
P0117 is a generic OBD2 code. It indicates that your Ford Expedition ‘s PCM (powertrain control module) has detected the signal coming from the engine coolant temp (ECT) sensor has a voltage level below its normal operating range. With the ECT sensor, as the voltage level drops, it will appear that your Expedition is overheating. … Read more