Question about 2007 Chevrolet Silverado 1500HD

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Poor mileage What upgrades can I do to increase the mileage of my 6L Chev

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There are numerous upgrades that can be done to increase fuel economy and performance in your truck. First a cold air intake system will increase horsepower and fuel economy up to 15%. Second you can open up your exhaust system to help it breathe better which will increase both by 10-15% more. Third you can purchase a programmer for your vehicle through Summit or Jegs to help your vehicle to obtain peak performance. Prices vary on all of these items, the exhaust upgrade probably being the more expensive.

Posted on Sep 04, 2009

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Always check the air filter.. o upgrade the air filter for those performance. they are expensive

Posted on Feb 26, 2009

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98 cherokee 2wd suspension upgrade


I am told that if all is in good shape inside diff, a change to syn. lube can increase fuel mileage and extend parts life. I have not personally done this.

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Just bought ford fiesta finesse 16 valve 03 1.2 am doing roughly 21mpg no leaks or drips this is round town and on motor way have not taken it above 65


Hi


As far as the review says the mileage should not falter since it is new as you said. However

These are the causes of a poor mileage in a car:-


Poorly Inflated Car Tires

Car tires that are improperly inflated create significant road resistance and drag on a moving car. A car engine has to work harder to propel a car forward due to this increased tire/road resistance. This resistance chips away at a car's gas mileage.


Dirty Air Filter

A dirty air filter impedes air flow into a car's engine, a process that disrupts normal engine combustion and makes it less efficient. This causes a reduction in both engine performance and gas mileage.


Bad Spark Plugs

Spark plugs are responsible for igniting a car's air/fuel mixture, an event that causes a mini explosion inside a car's engine cylinders. Bad or dysfunctional spark plugs don't fire, or ignite, properly; thus, they affect engine combustion negatively, which in turn negatively affects gas mileage.


Bad Oxygen Sensors

For a car to be at its most fuel efficient, its oxygen sensors, small and electronically operated, automatically adjust a car's air/fuel mixture and have to be functioning properly. Bad oxygen sensors cause abnormal air/fuel mixture ratios, a condition that results in poor gas mileage and poor vehicle performance.


Leaky Fuel Injectors

A car's fuel injection system is responsible for injecting precise amounts of fuel into a car's engine cylinders, where it is combined with air and ignited. For a car to perform properly, a specific amount of fuel has to be injected by each fuel injector into each engine cylinder. A leaky fuel injector wastes fuel by leaking it outside the engine and reducing the amount of fuel that makes it into the engine. This results in wasted fuel and reduced gas mileage.
It is suggested to start with a code scanner to find out if there are any stored fault codes in your car.

Also check this link for some helpful tips:-


http://www.wikihow.com/Increase-Fuel-Mileage-on-a-Car


Please get back to us if you have further query else please accept the suggestion.
Thank you for contacting fixya.com

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Hi and welcome to Fixya!

If you want to increase the mileage I strongly suggest that you have the engine calibrated. Calibration can increase engine performance and mileage.

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Change fuel filter in a 2006 Chevrolet Uplander


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