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This article brought to you courtesy of Karen Johnston of All About Automotive, Gresham Outlook Insider Automotive Expert.

Karen Johnston

When vehicles were equipped with carburetors, it was a very common practice to clean and adjust the carburetor regularly. In the 1980's manufacturers switched over to fuel injection systems for the fuel mixing and delivery system of the vehicle. Even though the primary function is the same, the differences are that a carburetor used low pressure and the intake of air rushing thru to add fuel. Fuel injection uses fuel injectors with a very small nozzle and higher pressure to atomize the fuel.

Over the years there have been different forms of fuel injection systems, single-point or the throttle body injected system, multipoint or central port injection, central sequential fuel injection, and now we are seeing a lot of cars with direct injection. Which produces lower emissions, more power and better economy.

All fuel systems in cars do have a couple things in common, they tend to build up carbon deposits and varnish in the injectors, on the valves, in the cylinder head. Anywhere that is not getting doused directly with fuel.

Symptoms of a vehicle that might have some carbon and varnish build up is:

Long cranking time or hard to start

Runs rough once started

Lack of power

Reduced fuel efficiency

Check engine light

If you have these symptoms it would be a good idea to have your vehicle inspected by a professional who can determine what the cause is. In our next article we will discuss how fuel injection cleaning services can help with these types of symptoms. Happy Motoring!

All About Automotive

139 N.W. 2nd Street

Gresham, OR 97030

503-465-2926

www.allaboutautomotive.com

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