Vibe FWD L4-1.8L VIN L (2005)
4. Remove the spark plugs from the cylinder head.
5. Remove the EFI Main Relay (2) from the Fuse/Relay Block 1.
6. Install a compression gage into a spark plug hole.
7. Depress the clutch pedal on vehicles that are equipped with a manual transmission.
8. Depress the accelerator pedal to the floor for a wide open throttle.
9. Crank the engine through 4 compression strokes for each cylinder being tested.
Important: The maximum allowable compression pressure difference between any 2 cylinders is 100 kPa (15 psi).
10. Measure the highest pressure reading on the compression gage.
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The standard compression pressure is 1,500 kPa (218 psi).
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The minimum allowable compression pressure is 1,000 kPa (145 psi).
11. Repeat the compression test procedures for the remaining three cylinders.
12. Remove the compression gage from the engine.
