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Yes. Lucky you still have 93 ... we only get watered down 91 over here.
The knock sensor will retard the timing when running on crappier fuel, but you'll lose power and mpg. If it's anything, try a few tanks on premium, then a few on mid, then a few on regular. Make notes of any differene in mpg, and weigh what works out best for you.
-- Kane
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While I would never deliberately mislead anyone, take into consideration that any information and advice provided was at no cost to you.
6 Volvos in SoCal, from '64 to '94. See profile for fleet infomation.
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