Compression (MR2)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Toyota Tacoma, 2002 Toyota RAV4, 2002 Toyota Prius, 2002 Toyota MR2, and 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Warm engine to normal operating temperature before checking the compression. Ensure battery is fully charged. Disconnect electrical connectors at ignition coils. Remove ignition coils and spark plugs. Using compression gauge, check compression with throttle fully open. Read compression in a short a time as possible. Ensure compression is within specification. See COMPRESSION SPECIFICATIONS table. Install and tighten spark plugs to 19 ft. lbs. (26 N.m) and ignition coil retaining bolts to 80 INCH lbs. (9.0 N.m).