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Having high fuel consumption on my Toyota Carina e 1994 model. Please what may be the causes?

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    Excessive use of the « loud » pedal... – Solar Mike Aug 4 '18 at 17:43
  • Welcome to Motor Vehicle Maintenance & Repair! What have you looked at? How many miles on the car? How long since you did a tune up? What do you consider "high fuel consumption"? Has something changed lately with how you drive, where you get your fuel, where you drive (city/highway), or how the car runs? Do you have a check engine light? If so, what do the codes read? There's a ton of reasons why you could be getting bad fuel mileage, but you don't give us anything to go on. – Pᴀᴜʟsᴛᴇʀ2 Aug 4 '18 at 17:51
  • Add brakes binding, incorrect tire pressures, over-loaded... – Solar Mike Aug 4 '18 at 18:00
  • @SolarMike, if you're trying to provide possible answers, please enter them in the "Your answer" text field below. – Bob Cross Aug 5 '18 at 15:47
  • @BobCross just adding to the possibilities that, according to you Paul should have put in an answer... – Solar Mike Aug 5 '18 at 16:02
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Well, as per the comments, there are many possible reasons for a change in fuel consumption.

I would suggest establishing a baseline by doing a thorough service : air filter, fuel filter, sparkplugs checked or replaced etc to make sure of the simple things. Also tire pressures, checking the brakes are functioning correctly ie not dragging or binding. Have the codes read if that system exists.

Once all of this has been done, evaluate the fuel consumption accurately - I use the « brim to brim » method as trying to base fuel consumption on 1/4 tank is not very accurate - then see how the fuel consumption compares over 2 or 3 tanks of fuel.

Hopefully it should be normal, unless your use is the cause - high loads, lots of stop / start etc.

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