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| Compression gauge -V.A.G 1381- or -V.A.G 1763- |
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| Engine oil temperature, at least 30 °C |
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| Remove the spark plugs using the spanner -A-52201-. |
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| Remove the connector for the revolution sender (depending on the version). |
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| Extract the connector for the Hall sender (ignition distribution). |
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| Ask a second mechanic to press the accelerator pedal to the floor. |
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| Check compression with compression tester -V.A.G 1381- or -V.A.G 1763-. |
Note | See relevant test unit operating instructions for instructions on how to use test unit. |
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| Operate starter until tester shows no further pressure increase. |
| Tolerable difference between all cylinders: 3 bar |
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