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Injector numbering

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Old Jul 24, 2022 | 07:34 PM
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W212 E200 2.1 BlueTec 2010
Injector numbering

Hello all,

On the OM651, I understand injector 1 maps to cylinder 1, injector 2 to cylinder 2 etc. However is cylinder 1 at the front of the engine (by the timing chain) or at the back?

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Old Jul 24, 2022 | 09:58 PM
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https://www.google.com/search?q=om65...bile&ie=UTF-8#

=== Update ===
Here is the direct link to a video from the search above,

and deepening the search a bit more, you will find the following document (interesting read for that engine). Unfortunately, no diagram of LCG and I would have liked


Last edited by JCM_MB; Jul 25, 2022 at 08:27 AM.
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Old Jul 24, 2022 | 10:28 PM
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generally all inline engines with longitudinal engines, 1 is the closest to the front, and they are numbered going towards the back.

(oddly that google search lead to a lot of useless garbage, I didn't see one diagram of the cylinder numbering)
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Old Jul 25, 2022 | 09:35 AM
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Originally Posted by Left Coast Geek
generally all inline engines with longitudinal engines, 1 is the closest to the front, and they are numbered going towards the back.

(oddly that google search lead to a lot of useless garbage, I didn't see one diagram of the cylinder numbering)
Exactly! I couldn't find anything online except the video mentioned above. Guess I'll have to take his word!
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Old Jul 25, 2022 | 09:38 AM
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W212 E200 2.1 BlueTec 2010
Originally Posted by juanmor40
https://www.google.com/search?q=om65...bile&ie=UTF-8#

=== Update ===
Here is the direct link to a video from the search above, https://www.youtube.com/watch?v=E740I9dwwFs

and deepening the search a bit more, you will find the following document (interesting read for that engine). Unfortunately, no diagram of LCG and I would have liked
Thank you - I came across the video too just as you replied.
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