We understand the importance of a reliable engine, which is why our tuning service is designed to improve not just...
Before tuning, You should verify that there are no ELD (electronic logging device)/GPS/Qualcomm hooked to the truck's diagnostic port.ELDs/GPS/Qualcomm/Lane guidance can interfere with flashing process, and those interferences could cause ECM damage (especially on Paccar MX13 ECMs).
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