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Hi all and thanks for taking the time to look at my post i have a 2.5tdi 08 lwb t5
My engine management light is on iv had it scaned and only fault showing is 3 glow plugs need replacing but im not getting glow glug warning light on any ideas and have been told by a pal that in most cases glow plugs would not keep engine light on and should make glow plug light flash any help would be great cheers
 

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It depends what it was scanned with. The simplest scanners will only try to look for the standardised OBD codes. Ideally it needs to be scanned with a scanner that will pick up and interpret diagnostic codes that are specific to VAG vehicles. From memory, I think your mate is right - glow plugs out don't cause the engine management warning light to come on, but it should still result in diagnostic codes being logged.
 

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Exactly as above. (y) If you want help with fixing your fault it's best to start with a full scan with something like VCDS or anything else that can give you manufacturer-specific codes. I think by 2008 you probably have a proper engine management light which the early vans didn't but a full scan (posted here) might help. Some faults don't cause codes but start there. :)
 
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