[A4] FWD: Re: Need for Premium Gas in 1.8T quattro?
gt40 at mail.ev1.net
Thu Sep 21 17:44:47 EDT 2006
Absolutely you can run mid-grade or low-grade fuel. I've been
running 87 octane fuel in my '01 A4 for 190,000 miles.
The car is a bit down on power under full-throttle acceleration,
but not enough to really notice unless you were on a dyno or at a
drag strip. (FWIW, I've seen the ECU pull out as much as 4
degrees of timing due to pre-ignition. Not all that much, really,
but enough to put you about 10-15HP down.)
Fuel efficiency is NOT drgraded and you are NOT wasting fuel! I
get 33mpg on the freeway and 29-30 in town -- have been since '01.
I'll say it again, I've run 87 octane for 190,000 miles with ZERO
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