What type of oil does a 1988 Toyota 22R engine use?
The 1988 Toyota 22R engine recommends using SAE 20W-40 motor oil. However, you should always check your owner's manual for the most precise and up-to-date recommendation, as it might specify a particular API rating (like SG, SH, or higher) as well. Using a higher-quality oil that meets or exceeds the specified rating is generally acceptable.