EFI Live General Support

Can I start my Truck after tunes are installed?

After you install the EFI LIVE, you can start your truck and verify if the tunes were installed! This is no problem at all. We do encourage you to check if the tunes installed correct!

What do I need to run the more performance tunes? (higher +HP)

To run the higher +HP tunes, we suggest that you to have a built transmission, EGT sensor probe with monitor, and an injection pump upgrade. Head studs would also be a recommended upgrade. These are our suggestions but I would suggest that you also

EFI LIVE - Surging issues

Your Truck Surging can be due to a few factors, one could be the Air Intake Throttle Valve is not disconnected. I would double check that it is NOT connected. Reflash ( download the tune again ) and see if that fixed your issue. Another solutions is

DEF Gauge Reading 0

The DEF Gauge will read 0 with the new tunes installed. This is not something we can change on our end to make it read another value. It will stay on 0. We cannot adjust this unfortunately.

Speedometer Issue GM/CHEVY ONLY

This is only applicable to GM/CHEVY's only. If you Speedometer is off...This can be due to your instal tire size input was wrong or maybe you changed the tire size later down the road. We can fix that! You will require a revised tune file and we requ

EFI LIVE : I made an upgrade to my truck before install

If you are planning on making modifications to your truck, we kindly ask that you send us some information as requested below so we can accomodate your upgrade. We also require that you inform us of the type of modification you plan to make. CUMMINS

EFI LIVE My Transmission is acting strange

If you are experiencing some transmission issues, you can do the following. 1. Unplug the Air Intake Throttle Valve. 2. Send us the following information, we may need to create a new tune file for you. Please send us this information via our support

Cruise Control No longer Working..

We have seen this come up a few times with our EFI LIVE tuner. No need to worry, we have a fix!. Sometimes this happens when you reprogram the ECM with the tuner, the internal unit can have a semi fault and disable the cruise control... However, this