What kind of gas do you use in a Denali?
I just purchased a 2012 Yukon XL Denali and while reading through the manual I came across the section discussing fuel. I am a bit confused, however, as to what I should be using. There is a section that states that “Vehicles that have a FlexFuel badge and a yellow fuel cap (mine has both) can use either unleaded gasoline or…
What kind of gas do you use in a Chevy Tahoe?
From the Chevrolet manual, page 9-70; “Use regular unleaded gasoline meeting ASTM specification D4814 with a posted octane rating of 87 or higher. Do not use gasoline with an octane rating below 87, as it may cause engine damage and will lower fuel economy”.
What kind of gas does a 2016 suburban use?
I read the manual and it stated Top Tier gas brands were recommended but no specific octane. Just bought a 2016 LT Suburban with the Luxury package. Previously used just the cheapest regularly (87 octane) gas on my 2008 LTZ. ‘Top Tier’ is a certification of gasoline and additives, not of octane level.
What’s the minimum octane for a 6.2L Chevy Tahoe?
Well, GM does recommend minimum. 91 octane for the 6.2L so no surprise your testing confirmed that. When you say “clicked” are you talking about audible knock, or detonation being picked up on the engine management system. Does the Hypertech let you monitors PIDs like knock?
I just purchased a 2012 Yukon XL Denali and while reading through the manual I came across the section discussing fuel. I am a bit confused, however, as to what I should be using. There is a section that states that “Vehicles that have a FlexFuel badge and a yellow fuel cap (mine has both) can use either unleaded gasoline or…
From the Chevrolet manual, page 9-70; “Use regular unleaded gasoline meeting ASTM specification D4814 with a posted octane rating of 87 or higher. Do not use gasoline with an octane rating below 87, as it may cause engine damage and will lower fuel economy”.
Well, GM does recommend minimum. 91 octane for the 6.2L so no surprise your testing confirmed that. When you say “clicked” are you talking about audible knock, or detonation being picked up on the engine management system. Does the Hypertech let you monitors PIDs like knock?
I read the manual and it stated Top Tier gas brands were recommended but no specific octane. Just bought a 2016 LT Suburban with the Luxury package. Previously used just the cheapest regularly (87 octane) gas on my 2008 LTZ. ‘Top Tier’ is a certification of gasoline and additives, not of octane level.