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Since the 6.4L is getting up there in age and Mileage we are starting to see common failures of these types of problems minor stuff like glow plugs burning out. Since the new diesels have the capability to pinpoint the one failing it makes it easy to pinpoint the problem. In this video I show how to change glow plugs on a 6.4l and how to do a basic test. I hope this helps.
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
