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Make sure you're getting all of the power that you're fueling for with this Electronic Fuel Regulator from ATS! The factory computer on the 03-07 5.9L's is designed to monitor various parameters of the vehicle and compensate in certain ways to prevent against potential long term damage. One example of this is the way your truck views boost. When an excessive amount (or at least the computer views it as excessive) of boost is shown, it will limit the amount of fueling, or defuel, to limit the amount of boost. Obviously, this can severely limit the amount of power you're getting to the ground.
ATS makes this simple Electronic Fuel Regulator that performs by fooling the computer to prevent against it both defueling and causing check engine lights (CEL's). If you've done any type of power modifications, this Fuel Regulator is an absolute must to ensure you're getting the power you've paid for!
- ManufacturerATS Diesel Performance
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