Hyundai’s suggested maintenance schedule indicates every 3750 mi.severe use/7500 mi. regular use service be accompanied by Hyundai fuel treatment. How important is this if you’re selective where you buy gas or use non-ethanol gas?

[image] Brad34: use non-ethanol gas Using non - ethanol fuel will only cost you more money with zero benefit . It is quite simple , do what is required until the warranty is expired .

Don’t skip or eliminate ANY maintenance listed in the owner’s manual for service. Even suggested things… DO them. Don’t think you know better than Hyundai engineers who determined this. Save your receipts because IF you have an engine problem you want proof to show the dealer that you did everything…

While you’re under warranty, replace “suggested” with “required” in your first sentence.

[image] Brad34: Hyundai’s suggested maintenance schedule Is that from the carmaker Hyundai, in the owners manual, or is it from a dealer’s literature? And what constitutes “Hyundai fuel treatment”? To my ear, this sounds like a wallet flush scam, targeted towards the fearful.

[image] shanonia: To my ear, this sounds like a wallet flush scam, targeted towards the fearful. I agree, though I could see it being legitimate if the Elantra is Direct Injection

Hyundai Owners Manual says to use the fuel treatment if you don’t use Top Tier fuel. According to “Insiders” the Hyundai fuel treatment is identical to Chevron fuel injector cleaner with Techron. They even come in the same shape bottle. Chevron is much cheaper and widely available. I use it at e…

Your 2019 Elantra has a gasoline direct injection engine. This means the fuel injectors inject fuel directly into the cylinders instead into the intake manifold runners. Because of this, the back-sides of the intake valves don’t get washed with fuel to prevent carbon from building up on the intake…

[image] Tester: So Hyundai recommends this service periodically to keep the intake valves clean. The Hyundai cleaner goes into the gas tank to clean the fuel injectors. Direct injectors, being in the combustion chamber, are more prone to getting “dirty”. Intake valve deposits are a separate…

2019 Hyundai Elantra - How does fuel impact maintenance

Maintenance/Repairs

COROLLAGUY1 April 7, 2020, 11:47pm 10

They use some kind of walnut blasting to clean those but the car needs to be over 80k miles.

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2019 Hyundai Elantra - How does fuel impact maintenance

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