Ford Expedition: How to Troubleshoot the EGR P0401 Trouble Code?

Answer The Expedition is a full-sized sport utility vehicle manufactured by Ford Motor Company. When the "Check Engine" light appears on your Expedition instrument panel, it's important to hook up your sc... Read More »

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Troubleshooting a P0401 Trouble Code on a 2001 F-150 Ford Pickup?

Diagnostic trouble code P0401, in your 2001 Ford F-150 pickup truck, is related to the Exhaust Gas Recirculation (EGR) system. This code indicates that the flow rate of recirculated exhaust gases i... Read More »

How to Troubleshoot a Ford Expedition That Won't Start?

When troubleshooting a Ford Expedition for a no-start condition, the first objective is to determine in which system the failure lies. Looking at the problem from a technician's point of view is th... Read More »

How to Troubleshoot a Triton V8 Ford Expedition?

The V8 engine that comes in a Ford Expedition is called a Triton engine. These engines are high torque/high horsepower output motors capable of towing up to 9,000 pounds when mated to the Expeditio... Read More »

How to Troubleshoot a Starter Relay in a 1997 Ford Expedition?

If your 1997 Ford Expedition won't start and your starter fuse and battery are OK, your starter relay is most likely the problem. This will be confirmed if you can't hear the solenoid click and sta... Read More »