Excessive Fuel Consumption – Common Causes And Cures

Poor Fuel Economy - Little Tricks That Will Help In Boosting Your Mileage
Poor Fuel Economy - Little Tricks That Will Help In Boosting Your Mileage

Excessive fuel consumption, can be caused by a number of different things.

So, there are dozens of problems that can lead to, excessive fuel consumption. Some of them are serious and some can be easily corrected.

Consequently, identifying the reasons your vehicle has, excessive fuel consumption and correcting them; will save you money and help you to avoid costly repairs.

Excessive fuel consumption, can also be an indicator of, a much more serious issue that; if left, can develop into an expensive repair. So, it would be beneficial, to take your vehicle to your local garage, to have it checked. Did you know that a vehicle can burn, up to 30 per cent more fuel; if proper maintenance is not performed, on a regular schedule?

Excessive Fuel Consumption
Excessive Fuel Consumption

So, familiarizing yourself with the more common causes, of excessive fuel consumption; is a smart way to help keep your vehicle running, as economically and efficiently as possible. We all know the importance of regular vehicle maintenance, but for many reasons; we just don’t do it often enough.

Vehicles use the most fuel during initial acceleration. So, if your trip is short or involves a lot of stops, then you will inevitably use more fuel.

In addition, aggressive driving where you accelerate hard and brake late; causes you to flood the engine with extra fuel. Another important reason to not drive aggressively is, that you are susceptible to cause accidents.

Excessive fuel consumption, especially a sudden drop in fuel efficiency; can be blamed on a number of issues.

Common Causes Of Excessive Fuel Consumption, That May Or May Not, Turn On Your Check Engine Light:

  • Sluggish Oxygen Sensors
  • Inaccurate or Defective Coolant Sensor
  • Defective Engine Thermostat
  • Engine Misfire
  • Intake Manifold or EGR Valve Leak
  • Worn or Fouled Spark Plugs
  • Dirty Fuel Injectors
  • Low Compression
  • Wrong Oil Viscosity
  • Dirty Air Filter
  • Clogged Converter or Exhaust Restriction
  • Slipping Clutch or Transmission
  • Low Tires
  • Dragging Brakes
  • Too Much Weight in Your Trunk
  • Poor Driving Habits

With no estimated date in sight, as to when prices will come down; consumers need to be smart about, how to save on fuel costs, before they reach the pump. Fortunately, there are many ways to save significantly – without requiring a great deal of effort on your part.

Excessive Fuel Consumption
Excessive Fuel Consumption

How To, Improve Your Driving Habits, To Save On Fuel Costs:

  • Avoid quick or ‘jackrabbit” starts and stops.
  • Aggressive driving, wastes fuel.
  • Observe the speed limit. Fuel mileage decreases rapidly, above 60 miles per hour.
  • Avoid excessive idling. Idling gets 0 miles per gallon. Turn your engine off, if you are going to be stopped in traffic for 15 seconds or longer.
  • Use cruise control, because it helps you maintain a constant speed limit.
  • Use overdrive gears, because the engine speed goes down, saving fuel and reducing engine wear.
  • Avoid carrying unneeded heavy items in your trunk.
  • Use air vents to circulate air, instead of air conditioning.


Most of these tips will give you a very slight increase in (MPG) and help with, excessive fuel consumption. But, use several together and the fuel mileage improvements, will really add up.

Thank You !