Any time there is a question about the specific needs of your car, always go to the owner's manual. On amodern car there is no definite way to tell by engine note orperformance which fuel it is using. Below is a list of all current models that need only the regular unleaded, 87 octane fuel and a list of the Lexus models with a premium unleaded, 91 octane fuel requirement. What it comes down to is this: Use the lower octane fuel at your own risk. This allows the engine to run without any damage to the engine. When I switched to the new 350 I asked him again and this time he said it was important to use the premium and that it would be smoother and get better mpg. Then try a couple of tanks of the next higher rated gas.
The Genesis G80 sedan is another premium four-door. Remove the bolts and flange holding the pump in place, then pry the pump loose and lift straight up and out. Good Luck, Its Pay Back Time Dealerships. It only says close on single click or the warning lamp will come on. Please see the chart below for the recommended minimum octane rating for all 2000 through 2019 Lexus models.
Lincoln All versions of the happily run on regular-grade fuel, from models equipped with the 2. It is, only problem is, it is very hard to find but it is in the manual. Open the lift-gate and inside the jam should be two round screw covers as part of the plastic frame. Be strong and smart or dumb whatever works. Hope this works for you. Once the damage is severe enough, you will have to replace the engine to solve the problem, further negating your savings at the pump.
This question comes up quite a bit, especially lately with recent fuel shortages. I guess it depends on how long you plan to own the car. With all the automation in the car, the engine computer can probably record information that would tell a dealer what fuel is being used, what a dealer might do with that information is not knowable. That adds up to quite a bit of money over the life of your car. Each model has a full list of specifications and recommended octane gas on the company's homepage, Lexus. The cost for higher-octane fuel is not insignificant but could potentially balance out in mileage and performance. Also realize you will not have the performance or fuel economy you are used to with the Super.
Don't smoke while doing this. For improved vehicle performance, the use of Premium unleaded gasoline with a Research Octance No of 96 Octane Rating 91 or higher is recommended. I would like to not damage the vehicle, preserve the warranty, and minimize fuel costs… Any chance of doing all that? Where is the fuel gauge? The manual warns that if you use fuel with an octane rating of 91 it could cause serious damage to the engine. I told my wife the same thing. Broadly speaking there are three categories of octane requirement. All modern cars have computers that monitor fuel grade and knock, and will! Wait until the tank is almost empty. I just made the mistake of filling up my truck with gas rather thandiesel, only drove it for about a half a mile.
I've experienced no problems at all with performance or gas mileage. If you do not have one, you can obtain one from your dealer or a salvage yard. If you have not put too much gas in you can also improve the ratioby adding motor oil 30 to 50 weight into the mix or even a cheap 2stroke oil. It tells you, that is a from the factory with out a question correct answer. I heard that you can have your timing retard, but I am not sure that it makes any difference.
Shut it off just in time Iguess. This will protect the engine from damage if lower octane fuel is used. If your performance or mpg decreases to a point that it is a concern simply go back to mid grade or premium fuel. But what if you want a luxury car that makes all its advertised power without any octane preference? The higher the octane reading of gasoline the higher the resistance to pre-ignition knock. The only caveat is that there may be a slight hit in mpg and performance. They know the needs of your engine at a level that the rest of us can only imagine.
Based on what you have told us, your car seems to require high octane fuel. You should use the lowest rated gas that gives you good performance. This question pops up on the board with alarming frequency. Examples are powered by a 3. Either engine will use the cheap stuff though the optional twin-turbo V6 will try a little harder with premium. One said you can use regular gas, the other said the engine is designed for premium gas.
Fuel requirements for Lexus automobiles are no different. The servicability of both air and fuel filters, tire pressure and most of all, your driving habits. Sorry, but this is correct. Simply with some kind of proof to have this applied. So who knows why Lexus rates theirs for premium gas.