Compression (MR2)

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).