| Inspecting ceramic pencil type glow plugs |
| Special tools and workshop equipment required |
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| Handheld multimeter -V.A.G 1526 B- |
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| Connect handheld multimeter -V.A.G 1526 B- for resistance measurement between contact and glow plug housing. |
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| Specified value: less than 1 Ω |
| If the specified value is exceeded (greater than 1 Ω): |
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| Remove the related ceramic pencil type glow plug and check it again for fracture of the pin. |
Note | If a pin is fractured, the fractured pieces must be removed from the engine before the 1st engine start, otherwise this will always lead to an engine damage (seizing of a piston). If necessary, remove the cylinder head. |
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| Re-insert pulled out plug connections of the ceramic pencil type glow plugs. |
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| 1. Interrogating and erasing fault memory of engine control unit. Do not start the engine! |
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| 2. Performing self-diagnosis. |
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| 3. Interrogate the fault memory on the engine control unit again. Do not start the engine! |
Note | If a fault memory entry regarding the ceramic pencil type glow plugs is stored, the engine must not be started! |
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| Check el. wiring as well as plug connections of the ceramic pencil type glow plugs. |
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