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After doing a good deal of research on the topic, I've seen the value in using only brands that offer Top Tier gas.
Most major brands are on the Top tier gas list, as well as some discount gas stations such as Racetrac & QuickTrip (Google for the Top tier website). Costco gas is also on the list.
Kroger & Sam's Club are NOT on the list.
Why is this important?
Because the Direct Injection engines in many of today's vehicles will get dirty valves quicker without using Top Tier gasoline, causing more costly engine repairs sooner that later. Currently, many gasoline retailers provide fuels with lower-quality additive packages that can build up deposits on fuel injectors and on intake valves. Others can build up deposits in combustion chambers and may lead to intake valve sticking. For those folks (like me) with the 2.0T or other Turbo engines...the effects are definitely important to smooth and reliable engine performance.
There's a good article on this topic - Google "How to Prevent Engine Deposits".
Hyundai dealers typically add a fuel cleaner at every oil change, specifically to help address this issue, but it's a limited value step. The key is using cleaner fuel.
Most major brands are on the Top tier gas list, as well as some discount gas stations such as Racetrac & QuickTrip (Google for the Top tier website). Costco gas is also on the list.
Kroger & Sam's Club are NOT on the list.
Why is this important?
Because the Direct Injection engines in many of today's vehicles will get dirty valves quicker without using Top Tier gasoline, causing more costly engine repairs sooner that later. Currently, many gasoline retailers provide fuels with lower-quality additive packages that can build up deposits on fuel injectors and on intake valves. Others can build up deposits in combustion chambers and may lead to intake valve sticking. For those folks (like me) with the 2.0T or other Turbo engines...the effects are definitely important to smooth and reliable engine performance.
There's a good article on this topic - Google "How to Prevent Engine Deposits".
Hyundai dealers typically add a fuel cleaner at every oil change, specifically to help address this issue, but it's a limited value step. The key is using cleaner fuel.