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| Remove fuse No. 29 from fuse holder. |
Removing fuse 29 interrupts the voltage supply to the injectors. |
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| Spark plug socket and extension -3122 B- is used in all engines to unscrew spark plugs. |
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| Check compression using compression tester -V.A.G 1763-. |
Note Using compression tester ⇒ Operating instructions. |
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| Operate starter until tester shows no further pressure increase. |
Maximum permissible difference between all cylinders: 3 bar |
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| Then reinstall spark plugs and ignition coils with output stage → Chapter. |
After the test has been completed: |
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| Connect Vehicle diagnosis, testing and information system -VAS 5052-. |
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| Finish the vehicle system test so that any fault entries stored during assembly can be deleted automatically. |
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| Generate the readiness code in combination with a road test. |
Observe applicable safety precautions during road test. |
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| Then carry out vehicle system test again and rectify any faults which may have occurred. |
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