Regular gas vs premium in 06 Passat 2.0T
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  1. #1
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    Regular gas vs premium in 06 Passat 2.0T

    Can the 2.0T in my 06 Passat be run on regular gas all the time without damaging the engine? I understand that it would decrease the performance, and possibly the MPG some.

    Tim in AridZona

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    Although the ECU will theoretically sense the reduced octane and retard the timing in an attempt to avoid detonation, DO NOT RUN YOUR B6 ON REGULAR GAS. I believe VW requires a minium octane of 89 and the "recommended" octane is 91. For the savings of a few cents per gallon, you are risking serious potential engine damage and the big-time voiding of your VW warranty; that's just plain foolish.

    PS: Welcome to PW.

  4. #3
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    from another thread:
    If you can't afford premium (or sythetic oil), you can't afford a passat.
    Run 91, or please sell your car and buy a camry.

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    Quote Originally Posted by nm+ View Post
    from another thread:
    If you can't afford premium (or sythetic oil), you can't afford a passat.
    Run 91, or please sell your car and buy a camry.
    interesting, seems accurate, might use that myself

    bottom line

    if you are out of gas and the station doesnt have 91 octane fine fill it up with regular, you should notice the difference if you pay attention and for sure your engine WILL notice the difference,

    the economics dont work out, I tried it myself once and the MPG went down but more importantly the car didnt drive as well and driving well is what a Passat is all about (we sure dont buy them for reliability or dealer satisfaction)

    NEVER skimp on oil quality or tires

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    WOW .... just bought a new car and your worrying about spending $1.40 more on a fill up .....cheapos......

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    using a tank here and there out of necessity will not hurt the car. Just use 91+ whenever possible. Do not substitute for monetary reasons, only for lack of 91+ availability in the area.

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    this is the UNITED STATES OF AMERICA not MEXICO what gas station doesnt have 92/93oct...

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    Quote Originally Posted by bksuperman View Post
    this is the UNITED STATES OF AMERICA not MEXICO what gas station doesnt have 92/93oct...
    The one in the middle of the great salt desert in Utah
    Also many states only have 91. California being the big one

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    Quote Originally Posted by nm+ View Post
    [There is no place to get 89/91] in the middle of the great salt desert in Utah
    The Desert is only 80 miles wide; don't be a dunderhead: fill up before you make the crossing.

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    Good advice from all - I will use nothing but Premium in my 06 Passat!

    Tim in AridZona

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    Quote Originally Posted by GreggD View Post
    The Desert is only 80 miles wide; don't be a dunderhead: fill up before you make the crossing.
    I'm saying its there, not that i use it.

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    Quote Originally Posted by bksuperman View Post
    this is the UNITED STATES OF AMERICA not MEXICO what gas station doesnt have 92/93oct...
    I can only get 92 at holiday and the local fleet supply place, which are both 30 miles away and I dont there often during the summer so I have to use 91. I can also get 100 oct down by the race track(BIR). Traveling have seen some states that highest they have is 89 at the pumps.

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    Quote Originally Posted by passatzona View Post
    Good advice from all - I will use nothing but Premium in my 06 Passat!

    Tim in AridZona
    Good decision!!! Enjoy your new Ride!

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    regular gas is okay

    seems everyone is an expert; so here goes

    the engine will require a certain octane rating at steady driving conditions and a higher octane rating under hard acceleration conditions... Does everyone here drive their car at full acceleration all the time? doubt it...

    common sense suggests that the factory octane rating is required especially under hard acceleration conditions, if you do it all the time yeah will have to run the high octane gas, if all you do is cruise at highway speeds, i would doubt you will get the benefit of the premium grade....

    i have the same problem with my motorcycle, it calls for premium gas, when i am riding in city stop and go traffic even the premium is not be enough when the weather is hot, as i can here the pinging, but on the highway the bike is just loofing along

    i now have 180,000 on my b5, i have driven 70,000 this last year covering about 1500 per week, and 1000 of that is 2 x 500 trips, i am only runnning regular and getting over 40 mpg do it....

    so establish a baseline with premium, then switch to a lower grade and check for fuel economy, and pinging, the newer moronic ssytem may be so good you never hear the rattle at accel, but if you do that would be an indication...

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