FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumUltimate LS systems: LS usersNot using Knock SensorsPlease Login or Register to create posts and topics.Not using Knock SensorsDunerunner@dunerunner3 PostsMembers#1 · August 5, 2019, 12:20 pmQuote from Dunerunner on August 5, 2019, 12:20 pmI'm not using Knock Sensors. Do I need to use the programmer to turn Knock Sensors on or off? I'm not using Knock Sensors. Do I need to use the programmer to turn Knock Sensors on or off? Post Reply: Not using Knock Sensors Cancel