Why is my truck getting bad gas mileage?
A bad fuel injector or dirty/old fuel filter can drastically affect the flow of fuel into the engine. A fuel system problem is one of the most common causes of poor gas mileage. The more you run your A/C, the lower gas mileage you will get.
What kind of gas does 2021 Highlander use?
Find and Compare Cars
| 2021 Toyota Highlander AWD | |
|---|---|
| Personalize Find a car | 6 cyl, 3.5 L, Automatic (S8) Compare |
| Fuel Economy | |
| EPA MPG | Regular Gasoline 23 combined city/highway MPG 20 city 27 highway 4.3 gals/100 miles |
What kind of gasoline do you use in a Toyota Highlander?
You must only use unleaded gasoline in your vehicle. Select octane rating 87 (research octane number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should meet the specifications of astm d4814 in the u.S.A.
What should the octane rating be on a Toyota Highlander?
Select octane rating 87 (research octane number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should meet the specifications of astm d4814 in the u.S.A.
What kind of Octane does a Toyota engine use?
Gasoline ratings have been determined on the basis of octane; 87 octane is regular, 89 octane is mid-grade and 91 or higher octane is premium. The octane ratings are not an indication of performance, but instead, indicate the fuel’s resistance to pre-ignition. The engine of your Toyota operates with a mixture of air and fuel.
What kind of detergent does Toyota Highlander use?
All gasoline sold in the u.S.A. Contains minimum detergent additives to clean and/or keep clean intake systems, per epa’s lowest additives concentration program. Toyota strongly recommends the use of top tier detergent gasoline.