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Old 1 Week Ago   #1
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Intermittent engine light - for 3 years

Hello there, buongiorno even,
You might have have heard this sort of thing before - on my 2008 X250 2.3 motorhome, the engine management light comes on intermittently.
No effect on performance, consumption or anything else obvious. It's been doing it for 3 years (yes, I know) but not when MOT being done. Had it checked/reset a couple of times but no work done and no lasting resolution. The light first came on in 2010 when it was just over 2 years old and the EGR was replaced, just nicely out of warranty.
It was then lightless until mid-2017 when I was coming down from a mountain pass and had to brake big style.
I don't want to get into one of those replace-everything situations so I have been using fuel additive to try and clean the system but the light keeps saying 'hello'.
Does anyone have any idea what might be happening pleeeease?
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Old 1 Week Ago   #2
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Re: Intermittent engine light - for 3 years

Hi and welcome
Any idea what codes were showing before ?
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Old 1 Week Ago   #3
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Re: Intermittent engine light - for 3 years

Hi Varescrazy,
Thanks for the response - no idea other than the first one must have been the EGR. I'm guessing the problem is so minor that it doesn't show itself clearly. Just wondering if there's a common issue that gives this sort of thing?
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Old 3 Days Ago   #4
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Re: Intermittent engine light - for 3 years

Hi Svenno445

The engine light is a legal requirement to show that a fault may be causing the emissions of the engine to exceed the standard. It doesn't necessarily trigger a reduced power mode, so the van may drive normally.


If the engine light has been illuminated, a fault code will have been stored and can be read. If the fault doesn't recur, after 5 or 6 engine starts the warning light will no longer show but the code is still stored.

Unfortunately, the code alone isn't precise enough to tell you "replace X and all will be well". However, the code + experience + further tests will narrow down the problem.
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