Gasoline direct injection (GDI) is one of the more recent advancements in internal combustion engine technology, one that is mainstream in vehicles today. A GDI engine allows more precise fuel delivery, more complete combustion, and lower emissions.
GDI engines can run much better than those with port injection, but there is one big drawback — carbon deposits. A port injection engine sprays fuel on the back side of the intake valves, which helps to keep the valves clean. In a GDI engine, fuel is sprayed directly into each cylinder rather than passing through the valves. This leaves valves prone to getting coated in engine vapors, which get baked on, forming carbon.
This may not seem like a big deal at first — engine internals are always dirty, right? However, if you have ever seen an intake port on a GDI engine that has not been cleaned after a few years, you know how heavy that carbon build-up can get. Serious power loss is associated with this kind of build-up, because it keeps your engine from being able to breathe.
If your engine has GDI, you have to keep carbon deposits from building up on your intake valves. A simple, fast and effective way to do this is with Sea Foam Spray.
With the engine running and warmed up, spray the whole can into the intake using the supplied hook guide spray tube. Make sure you spray downstream of your mass airflow sensor to avoid damaging it. Shut the engine off and let the spray soak into the intake surfaces for 10 minutes before driving, to move the deposits out of the intake. Click here for more detailed instructions on how to use Sea Foam Spray.
The purpose of applying Sea Foam Spray to a hot and running engine is to ensure even application to the entire intake system, especially the intake valve faces and stems. The deposits will also be more likely to break down during a hot soak, rather than in a cold engine.
Keep in mind, this is preventive maintenance. Check first with the vehicle manufacturer to see if there is a mileage recommendation for intake valve cleaning. If you are experiencing serious drivability symptoms and have not cleaned the intake in a long time, you may already have significant carbon deposits. Very heavy build-up might need to be manually removed by a professional to prevent further damage.
But using Sea Foam Spray is a good first step toward cleaning your valves and keeping them clean and problem free for the life of your engine.
SEA FOAM SPRAY is an easy way to clean intake valves in GDI engines.
SEA FOAM SPRAY CAN HELP
Sea Foam Spray works through a gas engine’s upper air intake to dissolve harmful deposits and residue buildup from intake runners, intake valves, and combustion chamber areas.
How To Use Sea Foam Spray
Where To Buy Sea Foam Spray
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