How to Increase the Volvo 850 Fuel Efficiency

Written by rebecca c. jernigan
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How to Increase the Volvo 850 Fuel Efficiency
Changing driving habits as well as technical upgrades can increase fuel mileage. (petrol station image by Mat Hayward from

Increasing the fuel efficiency of your vehicle has many benefits -- it saves you money and helps the environment because less fuel is burnt. The regular maintenance required to increase the efficiency can also help to extend the useful life of your car. Tips for improving your vehicle's gas mileage range from simple to involved, but implementing even one or two of them can make a big difference in your gas consumption. While most tips can be used for any vehicle, a few apply specifically to your Volvo 850.

Skill level:

Things you need

  • Volvo performance chip (optional)

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  1. 1

    Determine your current miles per gallon. When you fill up your tank, write down the gallons you put in. Divide this by the number of miles driven since your last fill-up. This is your current mpg. Keeping track of this number will enable you to track your car's improved fuel efficiency.

  2. 2

    Perform regular maintenance. Using the correct grade of oil can improve your mileage by 1 per cent to 2 per cent --Volvo recommends using 10W-30 in the 850 model and changing it every 5,000 miles or six months, whichever comes first. Properly inflating your tires can improve mileage by up to 3 per cent, and tuning up your engine can improve your fuel efficiency by between 4 per cent and 40 per cent.

  3. 3

    Drive responsibly. Speeding, leaving your engine idling, accelerating rapidly and keeping unnecessary weight in your car all will reduce your mileage.

  4. 4

    Combine errands. Running multiple short errands, starting your car cold each time, uses more gas than running one longer series of errands that allows your car to warm up fully.

  5. 5

    Install a Volvo performance chip. Aftermarket computer chips are available for many Volvo models, including the 850. These chips alter the programming of your car's computer system to improve gas mileage and horsepower.

Tips and warnings

  • Engine adjustments, including adding performance chips, should only be done by an experienced person. Improper installation could harm your car.

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