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my ole man has a set of gauges(can't think of what kind) but when he turns his key on the egt and trans gauge peg out and then drop back to 0. i have a set of isspro's and mine have never done that so i don't kno anything else except that his work perfect while the truck is running it just does that when he first turns the key.
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.
