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| Remove fuse 25 from the fuse box. |
Note | Removing fuse 25 interrupts the voltage supply to the injectors. |
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| Ask another mechanic to depress accelerator to the maximum, so that the throttle is totally open. |
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| Check compression with the compression tester -VAG 1763-. |
Note | See relevant test unit operating instructions for instructions on how to use compression tester. |
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| Operate starter until pressure reading on tester no longer rises. |
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| Max. deviation allowed between both cylinders: 3 bar |
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| Tighten spark plugs with spark plug spanner -T20175- to 30 Nm. |
| Further assembly is basically the reverse of the dismantling sequence. |
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| Engine control unit fault memory checked → Chapter. |
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