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fuel grade

  1. Is there a way to determine what kind of fuel is in the tank?

    Generation 1 Volt (2011-2015)
    I got my 2015 Volt from the dealer with 3/4 of a tank full. I have no idea if the fuel is 91 AKI or not. I don't trust the flunkies at the dealership to realize that it requires premium. I've heard that the Volt can detect the lower grade fuel and adjust the timing, but is there any way for me...
  2. Do I Actually Need Premium Fuel?

    Chevy Volt General Discussion, News, and Events
    This topic pops up every few months or so on this forum. This is a link to a blog I follow (among others) for DIY tips for my ICE-powered vehicle. Bottom line: Read (and follow) your owner's manual. The author is a mechanical engineer, not a petroleum or automotive engineer, that just happens...
  3. Fuel grade for GM's new 3 cylinder engine?

    Chevy Volt General Discussion, News, and Events
    I was just curious if anyone knows what grade of fuel this new engine will require? I'm on my phone and I find it hard to research the forums on this stupid thing to see if this has already been discussed. I read a couple articles but it makes no mention if the engine will require premium or...
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