Complete Automotive Repair & Maintenance
GDI (Gasoline Direct Injection)
*Gasoline Direct Injection* or *GDI* means the fuel injector sprays directly into the combustion chamber. Gas Engine Technology is moving in that direction, because these engines run more efficient and can create more power than their port injected counterparts. GDI is beneficial in many ways but there is one maintenance service I would like to talk about so your vehicles engine can live a long and happy life.
Port injected fuel system means the fuel injector would spray into the intake manifold or port. The fuel would mix with the air and travel into the combustion chamber once the intake valve opened. With GDI, the fuel no longer moves over the intake valves. This is not a bad thing except, the intake valves are no longer being “Cleaned” by the passing fuel. Here’s the maintenance part. Over time the intake valves will develop deposits. These deposits could get to the point where the valves no longer seat properly, developing poor engine performance.
Deposits are normal for any engine. It doesn’t matter if you change your oil and air filter once a week. Now…… please do not take that the wrong way. You need to change your oil and filters on regular intervals,but with the onset of GDI engines we need to add a service that will keep the intake valves from gathering to many deposits.
*Induction service* should be done every 20,000 miles to make sure the intake manifold and valves are free of deposits. This service breaks down these deposits into very small particles allowing the engine to safely get rid of them through normal combustion. I know there are many names for this service, “Fuel tune” and “Emissions service” are a few I have heard. Regardless the name, what you want is a service that will reach far into the intake and clean the back of the valves. Deposits are not limited to the valves, cleaning the throttle plate at the same time will help with idling issues as well.
#gdi #gasolinedirectinjection #inductionservice