Honda Fit/Jazz - Engine Compression Inspection
Engine Compression Inspection
1. | Warm up the engine to normal operating temperature (cooling fan comes on).
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2. | Turn the ignition switch OFF.
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3. | Remove the PGM-FI main relay 2.
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4. | Start the engine, and let it run until it stalls.
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Remove the four front ignition coils.
6. | Remove the four front spark plugs.
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7. | Attach the compression gauge to the spark plug hole.
NOTE: Use a compression gauge of which connecting length (between the edge and the flange) is less than 23 mm (0.9 in.).
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9. | Open the throttle fully, then crank the engine with the starter motor and measure the compression.
Compression Pressure: | Above 980 kpa (10.0 kgf/cm2, 142 psi)-250 rpm |
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10. | Measure the compression on the remaining cylinders.
Maximum variation: | Within 200 kPa (2.0 kgf/cm2, 28 psi) |
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11. | If the compression is not within specifications, check the following items, then remeasure the compression.
- Damaged or worn valves and seats
- Damaged cylinder head gasket
- Damaged or worn piston rings
- Damaged or worn piston and cylinder bore
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Honda Fit/Jazz 02-05 Workshop Manual
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