Keystone Diesel LLC

Auto & Heavy Truck Repair


Vehicle Care Tips

Fuel Saving Tips:


One of the leading causes of decreased fuel economy is neglected maintenance. This costs consumers millions of dollars in wasted fuel. Here are some of the things you need to look at.


Air Filter:   The engine can use more that 10,000 gallons of air for every gallon of fuel burned.


Tire Pressure:  Under-inflated tires increase rolling resistance and cause a decrease in fuel economy.

Fuel Cap:  Damaged, missing, or loose caps cause over 147 million gallons of fuel to evaporate each year.


Spark Plugs:  When a spark plug wears out it can cause inefficient combustion, resulting in wasted fuel.


Worn O2 Sensors:  A worn oxygen sensor is unable to detect and adjust the fuel/ air mixture correctly and can cause your vehicle to use more fuel than it needs.


Fuel Filter:  A dirty fuel filter allows impurities like dirt and rust into the fuel system, causing the engine to use more fuel.


Wheel Alignment:  Improper alignment can lead to conditions which increase rolling resistance.