Which Fuel Should I Use?

morkus64 · #1 (**permalink**) 12-23-2008, 03:31 PM

Here in MD the choices are generally 87?, 89, or 93 octane. I know that VW recommends 91. Lately my engine has needed to crank a little more before starting up and I'm wondering if it's because I use 93. the previous owners only used regular (which i think is 87 or 85, can't remember).

It's a 2001 GLX Turbo

TIA!

kaiser · #2 (**permalink**) 12-23-2008, 03:50 PM

93

1.8t was made to run on 91 oct and higher. they really don;t like low octane. fuel economy goes way down as well as overall performance.

Deserion · #3 (**permalink**) 12-23-2008, 07:38 PM

Premium.

Sure, it can run on regular but in the end you're not really saving anything, decreased efficiency and whatnot.

wawalker · #4 (**permalink**) 12-23-2008, 08:10 PM

93, as far as the extra cranking at start-up it could be a number of things: fuel filter, plugs, vacuum lines, etc., but really doubt it is due to the fuel you are using.

TheFuji · #5 (**permalink**) 01-06-2009, 09:37 PM

Premium. The regular won't hurt it, but the turbo was made to run on the premium and will perform better.

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