How to Save gas by de-activating a fuel injector

This automotive customization tutorial shows you a method to try to save gas by deactivating a fuel injector. Get your car to run on three cylinders instead of four and save gas. Be careful, you will need to remap your vehicle's ECU or live with the check engine light being continuously on. This method of deactivating a fuel injector to make your vehicle run on one less cylinder will save gas, as long as your car still runs.