P0113 Ford Expedition

P0113 is an OBDII trouble code that occurs when the Ford Expedition’s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor – High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more

Ford Expedition P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Ford Expedition.  It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to … Read more

Ford Expedition P0174: Meaning, Causes, How to Fix

One of the most common trouble codes with the Ford Expedition is P0174. It indicates that your Ford Expedition is running lean on the bank two side of the engine.  P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of … Read more

P0305 Ford Expedition

P0305 is a fairly common trouble code with the Ford Expedition. It’s and OBD2 code and stands for: P0305: Misfire Detected → Cylinder 5 P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Expedition. The nice thing about P0305 is that it’s a cylinder specific trouble code, … Read more

P0135 Ford Expedition

P0135 is a very common OBDII code that occurs in the Ford Expedition. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated … Read more

P0121 Ford Expedition

P0121 is a somewhat common trouble code with the Ford Expedition. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it leaves your vehicle in failsafe mode. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem OBDII code P0121 … Read more

Ford Expedition P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Ford Expedition. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

P0496 Ford Expedition

One of the most common trouble codes with the Ford Expedition is the P0496 code. This code number references a number that is given to you when you plug your Expedition into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Ford Expedition. Good Luck! Ford … Read more

Ford Expedition P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many Ford Expedition owners may encounter. It indicates that there is an issue with the vehicle’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more

P0449 Ford Expedition

A somewhat common issue with the Ford Expedition is the P0449 code. This code references a number that is given to you when you plug your Expedition into a OBD2 scanner. P0449 deals with the evaporative emissions control (EVAP) system. It often appears with, or is related other codes, such as P0420, P0446, and very … Read more