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    Thread: Graph of MPG/fuel economy vs. speed, 2004 Aveo sedan (automatic)

    1. #21
      Administrator MetroMPG's Avatar
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      I have noticed that LPG conversions are popular in some contries.

      They used to be fairly common in Canada - I remember a lot of taxi companies used to do it in Toronto when I was a kid.

      Not so much now. They drive a lot of hybrids though.



    2. #22
      Should I keep it?
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      First time hearing that an aveo exists running on LPG, Out of curiosity where do you put the tank?

      Figured being cylinders that you couldn't fit much in the envelope where the old tank was...

    3. #23
      What's wrong with my car? Dixy's Avatar
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      You do not remove the fuel tank, you put a toroidal LPG tank in the place of spare tire. You can also put the larger cylindical tank in the trunk, but you loose space and rear seat bending.The car runs on both fuels very good, although it looses 10-15% of power on LPG (could be less if you have a brand new system like I do, and tune it good). LPG is used in the same percent more as is loss of power, but it burns cleaner and it is more eco-friendly. Also, since Aveo has a MAP engine, the system must be installed by professionals and checked regularly for vaccum leaks, because if you have one, it wreaks havoc on LPG driving (and also gas, but to a lesser extent).

    4. #24
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      How does switching fuels work, is there a valve under the hood or just a button in the cab?

      Also is the transition seamless as in can it be switched while the engine is running and in motion?

    5. #25
      What's wrong with my car? Dixy's Avatar
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      Actualy, valve is in the trunk with the tank. I will take a photo and post it. Maybe we should open a new theme for this... Under the hood there is evaporator, pressure sensor injectors connected to intake manifold (drilled into it ) and LPG computer. The switching goes automaticaly, unnoticeable, but sometimes there is a subtile twitch when throttle is released at higher rpm. Sometimes you feel switching from LPG to gas, when the tank goes empty.

    6. #26
      What's wrong with my car?
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      I'm currently getting mid 30s from my manual 2010 sedan LT. I have broken 40 on long trips. Mostly off highways but reasonable roads. Presently fighting the multitude of construction on my commute so it's hit and miss. Never used the cruise control. I want to drive the car, not the other way round. LOL

    7. #27
      Administrator MetroMPG's Avatar
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      I like cruise if the road is straight & flat. Otherwise, I'll drive.

    8. #28
      Should I keep it?
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      NGK V-Power plugs I believe increase mileage while in good condition over plugs with thin electrodes or multi posts. Not sure if it's the best for the Aveo but I'm also using them in my 90 Cressida.





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