premium fuel
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98 ultra misfire and knockish sound after running 87, low oil life I know it needs a change and I'm gonna change the super charger oil
I put 87 in by accident a week after purchasing this 98 Buick park Ave ultra with a very pleasing supercharger, and I've been told it reguires 91. The day after it started missing and has ran like that for the past few days, it also is making an almost knocking sound. I placed my hand on this...- Vwguy98
- Thread
- 87octane help misfire park ave premium fuel ultra unleaded
- Replies: 8
- Forum: Buick Park Avenue Forum
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2015 Verano Turbo - required/recommended fuel
I can't find the 2015 owner's manual online, but per the 2014 manual: "For vehicles with a 2.0L engine, use premium unleaded gasoline with a posted octane rating of 91 or higher. Regular unleaded gasoline rated at 87 octane or higher can be used, but acceleration could be reduced, and an...- Skippy
- Thread
- premium fuel regular fuel turbo
- Replies: 4
- Forum: Buick Verano Forum (Excelle)
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Premium vs. Regular Fuel
I just bought my new Verano Turbo automatic. It feels really smooth to drive and I am happy with it. Its almost time for my first fueling and I am wondering if I should really go for premium fuel. Someone did any comparison of the MPGs on regular (89) and premium (91) fuel ? I know there are...- buickmn
- Thread
- fuel economy gas mileage mpg premium fuel
- Replies: 5
- Forum: Buick Verano Forum (Excelle)
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