March 4, 2015 Maurice Donovan

GDI Gasoline Direct Injection

GDI Gasoline Direct Injection

 

The article below is from our colleagues in the US, namely Fixed Ops Magazine. Once again it reflects the growing problem of carbon build-up and deposits in the intake system which is causing performance problems.

Gasoline Direct Injection (GDI), also known as Petrol Direct Injection or Direct Petrol Injection or Spark Ignited Direct Injection (SIDI) or Fuel Stratified Injection (FSI), is a variant of fuel injection employed in modern four stroke

GDI systems allows a combustion engines to run an ultra-lean condition, therefore this will improve fuel consumption, decreased combustion temperature, and improve emissions.

Unfortunately there are side effects caused by the lack of fuel that once washed down the cylinder walls and cleaned allot of the carbon away.   While technology has taken enormous steps in improving combustion burning and fuel efficiencies, it has not been able to combat the side effects that are left over after combustion.

It seems the more that technology improves combustion burning the greater is the problem we the technician are seeing from this left over carbon that is messes with the driveability of our customers cars.

Most of us know the value of a bore-scopes and no doubt this article demonstrates another value on the use of a bore-scope that can be useful  for techs to back-up your carbon build-up suspicions of a badly carbon intake system.  There is no easier way than using this type of tool to not only confirm a carbon issue but it is a powerful way to reassure your customer the need of a carbon clean treatment for their car’s intake system.

GDI

Many modern vehicles are powered with GDI Gasoline Direct Injection

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