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 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 »

How to Know if the Check Engine Light is an Emission Problem?

The "check engine" light is perhaps the most confusing of all indicators on your dashboard. It is part of your car's On Board Diagnostic (OBD) system. When it detects a problem in the electronic co... Read More »