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TFI Fuel Tuning


Customer support is our #1 priority.

Please find some general info about the TFI listed below. Be sure to also navigate to the tech note section for each specific vehicle in the PRODUCTS section. If you require additional assistance then please CONTACT US by phone or send us an email so we can help.

Understand How to Use Dielectric Grease - DO NOT APPLY TO TERMINALS - VOIDS WARRANTY
Dielectric Grease is an insulator. The use of dielectric grease in electrical connections is to help insulate the wires and seals coming into a connection. DO NOT apply to the actual electrical terminals in the connector because it can interfere with the electrical signals passing through the connector.

View Complete List of Instructions by Part Number


Do you have any questions related to installing the TFI controller? Look here to find out the basic installation procedures and also view some short informative video clips. This section goes over connecting into the injectors, hooking up the ground, and mounting the controller.


Are you having a problem with your TFI controller? Your vehicle is running poorly or erratically? Read through these frequently asked questions to see if you are having a common problem. If you find nothing applying to your situation then you will need to contact us for further assistance.


We believe almost everyone who rides has the capability to tune their vehicle given a simple device to make adjustments. We are not going to make you a pro, but we can show you what to look for to improve your vehicle's drivability. We will also list our recommendations for changing the settings based on your mods.

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