Spark

Engine Compression Test

1. Remove the upper intake manifold. Refer to Upper Intake Manifold Replacement .
2. Remove the upper camshaft cover.
3. Remove the spark plugs. Refer to Spark Plug Replacement .
4. Remove the relay holder cover.
5. Remove the fuel pump relay.

1. Install the suitable engine compression test tool to the spark plug hole.
2. Start the engine (approximately 4 seconds).
3. Compare the compression values.

Note: Engine revs at least 300/min.

4. Maximum pressure differential is 100 kPa (14.5 psi).
5. Check compression for all cylinders.

1. Remove the suitable engine compression test tool to the spark plug hole.
2. Install the fuel pump relay.
3. Install the relay carrier cover.
4. Install the spark plugs and tighten the spark plug to 27 N·m (20 lb ft).
5. Install the upper camshaft cover.

Caution: Refer to Title not found in the Preface section.

6. Tighten the bolts (1) to 10 N·m (89 lb in).
7. Install the upper intake manifold. Refer to Upper Intake Manifold Replacement .