How can it be proven that an engine that lasted 300,000km with a performance chip would have lasted 500,000km without? It’s pretty difficult to do. How much is engine life and drivetrain life compromised when a third party performance chip is installed in an engine? It’s very difficult to say. We know that one parameter can be made better only through sacrificing others.

They have more resources and better knowledge of the engine than any third party accessory vendor would. It is not a case that manufacturers aren’t skilled enough to design an engine fuel mapping with more power. To increase power via a diesel performance chip requires the other parameters to be compromised. Vehicle manufacturers pick a balance between these parameters that they believe provides the best overall enjoyment / value to the customer for the life of the vehicle. Change one variable to make something better and you invariably make something else worse. For an engine fuel map design, some of the compromises would be between performance, fuel efficiency, engine / drivetrain life and emissions. Design CompromisesĪ universal feature of design is that you can’t get something for nothing. I don’t have a diesel chip on my Hilux because chips increase wear and reduce life.

This article refers to “diesel performance chips” to cover all types and methods. Whatever they’re called and whatever method is used, they all do the same thing – dump more fuel into the engine to generate more power. Some companies can re-program the factory engine management without needing to add any extra electronic hardware. Some companies may call it a chip or a module or piggyback ECU or tuning box or something else, claiming theirs is superior. Why You Shouldn’t Support Mandatory Vaccinationsĭiesel Performance chips are electronic devices that intercept and modify engine management signals to increase the power output of an engine.

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