2. Remove the spark plugs.
3. Remove the relay holder cover.
4. Remove the fuel pump relay.
Note. Engine cranking to check compression should take no more than 10 seconds and be done at 30 second intervals.
5. Use the starter to rotate the engine crankshaft for five seconds to remove foreign particles from the cylinders.
6. Before checking the compression, make sure that the starter crankshaft speed is at least 300 rpm. If the rotation speed is below 300 rpm, it is necessary to check the degree of charge of the battery and the reliability of the fastening of the starter terminals and connectors.
7. Install the EN-48248 compression tester in the spark plug hole of the appropriate cylinder.
8. Turning the crankshaft of the engine with the starter, check the compression in the cylinders. In a normal cylinder, the compression value is displayed quickly and evenly up to the set value. In the presence of malfunctions, the compression value is initially low, then gradually begins to increase, but does not reach the set level.
9. Write down the obtained compression value for the checked engine cylinder.
10. Repeat the compression test procedure for the remaining cylinders. The compression value must be the same for all 4 cylinders. Write down the obtained compression values for all engine cylinders.
Note. The maximum difference in compression values for different cylinders should not exceed 100 kPa.
11. Install the fuel pump relay.
12. Install the relay holder cover.
13. Install spark plugs.
14. Install the throttle body assembly.
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