Check Engine Light Problem on a Ford Expedition?

Answer Vehicles built after 1996 such as the Ford Expedition utilize a system known as On Board Diagnostics (OBD II) to monitor the performance of emissions components. When one of the emissions component... Read More »

Top Q&A For: Check Engine Light Problem on a Ford Expedition

How to Reset a Ford Expedition's Check Engine Soon Light?

All Ford Expeditions use the same computer program and code set to record and diagnose engine malfunctions. This code set is known as OBD-II, or On-Board Diagnostics, Series 2. As the name suggests... Read More »

How Do I Check the Engine Code on a Ford Expedition?

Checking the engine codes in a Ford Expedition is made simple using standard OBD-II testing codes and an OBD-II tester. If you don't have a tester, most parts stores will run an OBD-II diagnostic t... Read More »

How to Fix the EGR Valve on My 2001 Ford Expedition if the Engine Light Is On?

The 2001 Ford Expedition came with a 4.6-liter V-8 or a 5.4-liter V-8 engine. The exhaust gas recirculation valve, on either engine, is responsible for the induction of a small amount of exhaust ga... Read More »

How to Reset the Engine Light for a 2002 Ford Expedition?

The "Check Engine" light for a 2002 Ford Expedition alerts the driver of malfunctions detected in the power train management systems. The power train control module monitors those systems, periodic... Read More »