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Boris asked:


If you have a vehicle that runs on diesel fuel, you may have heard of LP gas injection systems that can improve mileage and performance while reducing emissions.  You may be either wondering how they work, or imagining a large LP gas tank strapped to the side of your car or truck.  The reality is that this technology has years of testing and success behind it, and won’t make your car look any different than it does now, other than with a new monitor for the second fuel system.

First, the LP fuel tank.  In the majority of installations, the tank is about one-fourth the size of the diesel tank in the vehicle.  So if you drive a Land Cruiser, you’ll probably have an installation of a 27-37 litre tank beneath your vehicle.  The tank size will depend on the year and model of your Land Cruiser, as there are variations within the Land Cruiser family.  In almost all installations the LP tank can be mounted beneath the vehicle.  If that is impossible due to low clearance or other factors, the tank can safely be mounted inside the vehicle, usually in the cargo area.  This is completely safe and done to Australian Standard 1425.

The tank delivers the LP gas to a pressurized injector, which vaporises the gas, monitors your fuel supply and injects the LP gas into the air intake system.  When the LP gas meets the diesel fuel, the combustion of the two fuels occurs with more power than when either fuel is used on its own.  The two fuels also burn at a hotter temperature together than separate.  Because of the increased temperature and power, the fuel is burnt more completely, which is more efficient than leaving a higher percentage unburnt.

Computerized sensors (installed with the system) monitor your engine’s load and efficiency, and only inject the vaporised LPG at the optimum time. Because of the computerized monitoring, the system constantly adjusts to the current needs of your vehicle, creating even less waste and more power and efficiency.

Any diesel vehicle can be fitted with this system—remember, the LP tank will be about one-fourth the size of your diesel tank.  So a 100 litre diesel tank will be outfitted with an LP tank of about 24 litres.  Within your vehicle, a gas level gauge and a switch are mounted, usually in or around your dash.

On the exterior, a gas filler is installed, usually near the diesel filler. The components of the eco-gas system itself are located in the engine area.  These include the pressure regulator, the gas distributor, LP gas injectors, and engine control module, which oversees the entire operation.

Once this system is installed, you’ll notice more power, better mileage, and less wear and tear on your vehicle. Your oil will stay cleaner since there is less unburnt fuel floating around your engine, and the engine components that are lubricated by that oil will stay cleaner and last longer.

Also, the tax schemes and incentives offered through the government make the system more affordable than ever.  The more you know about LP gas injection systems, the more sense they make.

Call today to ask any further questions you may have, and to schedule an appointment for your vehicle.  The sooner you talk to us, the sooner you can begin saving money!