Even the new and improved Wrangler JL is sold stock with an engine tune that’s “good enough” – providing decent function but falling far short of the engine’s actual potential, which can be set free with 2018-2020 Wrangler tuners. Made by famously effective tuner companies like Superchips, JMS, Bully Dog, and Diablosport, these hand-held units feature full-color screens and intuitive controls that let you streamline your Jeep Wrangler’s engine function in ways that would once have needed a full professional garage to achieve. These devices let you easily clear DTC trouble codes, monitor the function of various engine parts by use of “virtual gauges,” and much more. Even more importantly, they let you recalibrate your Wrangler JL’s engine to ensure that everything keeps working correctly when you’ve added big aftermarket tires, JL supercharger parts, air intakes, etc.
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