Automotive fuel systems

Routine maintence June 13, 2013
 

Having trouble with your fuel system? Bring your Minivan into Triangle Auto Service for a check up.
4060 N. Elston
Chicago, Illinois 60618
773-539-5858
Today weíre talking about fuel system cleaning. The first thing to know is how important it is to have a clean fuel system. You need fuel to go, and the cleaner your fuel system, the more efficiently the fuel will burn. That means more power and better fuel economy.
A clean fuel system saves money at the pump. We guess you could say, it all starts and ends at the pump. One of the most important things you can do to keep your fuel system clean is to buy good quality gas. Major brands have detergents that keep gum and varnish from rapidly building up in the fuel system.
So buying cheaper gas can actually cost you in the long run. Now, most cars on the road are more than five or six years old. That means theyíve had time for some dirt and rust to start accumulating in the fuel tank. This junk needs to be filtered out of the fuel before it hits your engine. Thatís the fuel filterís job.
When the fuel filter is clogged, the dirty fuel will bypass the filter and go on up to the engine where it can clog fuel injectors and get into the cylinders. That could do some damage. So you should have your fuel filter changed when recommended. Check your ownerís manual or ask your service advisor if your fuel filter is due for replacement.
The fuel then goes up into the throttle body. This is another area where varnish and gum can accumulate. A professional fuel system cleaning will use a combination of special cleaning chemicals and old fashioned swabbing to clean out the throttle body. Now, the fuel injectors are the last stop in the fuel delivery system.
Itís real important to keep those fuel injectors clean. The fuel injectors need to deliver a precise amount of fuel, at exactly the right time, in a particular spray pattern. They just canít do that if theyíre dirty. Dirty fuel injectors really rob power and waste fuel.
It is important for the fuel system proper, but there are a couple other things that will help keep your engine clean as well. Of course, air is mixed with the fuel before itís burned. Dirty air means dirt gets into your engine, so you need to replace your engine air filter when itís dirty.
The PCV value routes unburned fuel that escapes into the lower engine back up into the intake system to be burned. A sticky PCV valve needs to be replaced to make sure that system is working properly and the breather filter needs to be replaced if itís dirty as well.
Do all these things and your engineís air and fuel will be as clean as possible. Youíll get much better fuel economy and better power.  Triangle auto service, 773-539-5858
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