Improve Fuel Consumption

Improve Your Vehicle's Fuel Consumption With A Piggyback Chip And A Modified Driving Style


There are several ways to improve fuel consumption and these can be sorted under two main headings: modifying your engine and modifying your driving style.  The first refers to changes you made to the mechanical and electronic parts of your engine and the second is self-evident; it stands to reason that a combination of both can bring about a sizeable improvement in fuel consumption.

Electronic Intervention to Improve Engine Fuel Consumption

Modifying mechanical engine parts to improve engine fuel consumption may sometimes prove effective, but it is a bit of a black art and if you do not have a sound mechanical background, you may find that your efforts have little effect – or worsen your fuel consumption.  Electronic intervention is possible through a piggyback computer chip that offers you several engine management mappings. This way you can have a performance-orientated mapping that favours performance under full-throttle conditions and a conservative, economy-minded mapping that favours economy under part-throttle conditions and improve your engine fuel consumption notably.



Adapt your Driving Style

The other important factor to improve fuel consumption is your driving style and to this end, it is worth noting the following points:

  • Fuel consumption quadruples when speed doubles, so it is obvious that you can achieve significantly better fuel consumption by maintaining lower cruising speeds on the open road and sticking to the speed limit in the city too.  Driving at 120 km/h can use around 15% more fuel than driving at 100 km/h.
  • Acceleration and braking use a lot of fuel; for the former, fuel is necessary to accelerate your vehicle and far less is used if you accelerate more leisurely.  Regarding the latter: the more you have to brake, the earlier you could have lifted your foot off the accelerator and started coasting, which is why braking is an indicator of fuel consumption and less braking will improve fuel consumption.
  • Following from the previous point, coasting is very important, because it does not only minimise braking, but coasting in gear in a modern, fuel-injected vehicle cuts the fuel flow to zero while you are coasting.  Do not coast in neutral, because then the fuel starts flowing again to stop the engine from stalling.
  • Cold kilometres cause your engine to use a lot of petrol, because it only runs efficiently at its normal operating temperature.  Try to plan your day to consolidate many short trips into fewer longer ones, so you can stay out of that warm-up zone.

Standardised Engine Management Systems

It is true that most vehicles leave the factory with engine management systems set for optimal economy, but why is it then often possible to often lower fuel consumption even further with a piggyback chip?  The answer is that the settings of the fuel management systems of new cars are all the same for the same model of car and engine, even if there are always small manufacturing differences between individual engines.  Every engine would benefit from tailored settings to suit it, but this would be too expensive, so standardised ECU programming is used that can be further modified by a piggyback chip to eke out a few more kilometres per litre and improve fuel consumption even further.



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