What type of gasoline should I put on my 04 Toyota Solara?
I could not locate the manual guide to see the type of fuel I should use. Normally, I put the Unleaded one, but I’m not sure if it is the right one. A: Hi, only put in the lowest octane in your area, usually 87 to 89 octane. That would be regular unleaded. It is a waste of money to put higher octane in (like a 91 or higher octane). The octane amounts are on the pumps and are usually labeled as mid-grade or silver. Your Solara has a VVT-i system on the engine, which stands for Variable Valve Timing with intelligence. Essentially, the main computer controls will adjust the valve timing (valves are what allow in the air and allow out the exhaust from each cylinder) to control knocking or pinging in the cylinders. That knocking or pinging is one of the main reasons people move up to a higher octane (besides the slightly increased kick from a higher octane). That valve timing adjustment will be slightly increased or decreased, depending on the fuel octane and quality of the fuel (for exampl
