Archive for September 2023

If you’re having problems on a 4L60 or a 4L80, whether you’re using the Ultimate LS System or a Go-Shift System, we’re going to go over how to diagnose the system and make sure that system is set up correctly and you have a working/shifting transmission. Tech Support Email: te******@*******fi.com Tech Support Line: (951)340-2624 Have…

When it comes to winterizing a FiTech-equipped vehicle it couldn’t be any more simple. Today on Tech Tuesday we are going to show you how to prepare your EFI system calibration and store your vehicle for the winter. Tech Support Email: te******@*******fi.com Tech Support Line: (951)340-2624 Have a question you want answered? Check in every…

One of the key components that makes the FiTech Tune Port Injection Systems different from other TPI kits is the ability to work with a computer-controlled distributor. The ECU is similar to our Ultimate LS EFI System and today we are going to walk you through the wiring breakdown of this system. FiTech Tune Port…

We’re going to cover sensor diagnosis. We’re going to go over each individual sensor and show you certain things that can go wrong that will give you a failed reading in the handheld. There are four major sensors on the throttle body EFI systems that we are going to cover today; the Oxygen Sensor, Coolant…