Compression Check - Toyota 1 MZ–FE Manual

EG2–36
1MZ–FE ENGINE – ENGINE MECHANICAL

COMPRESSION CHECK

HINT: If there is lack of power, excessive oil consump–
tion or poor fuel economy, measure the compression
pressure.
1. WARM UP AND STOP ENGINE
Allow the engine to warm up to normal operating
temperature.
2. REMOVE V–BANK COVER
Using a 5 mm hexagon wrench, remove the 2 cap nuts
and V– bank cover.
3. REMOVE IGNITION COILS
(a) Disconnect the 6 connectors from the RH and LH
cylinder heads.
(b) Remove the 6 bolts and 6 ignition coils from the RH
and LH cylinder heads.
HINT: Arrange the ignition coils in the correct order.