As per my earlier post, following a recently developed intermittent misfire, my emission warning lamp came on.
My dealer yesterday (I think) solved the misfire and the lamp by means of a "software update" - THEN, 12 hours later, the light came back on again. He is at a loss re. what might be causing this and wants me to bring the car back in again, for another software update.
Has anybody experienced similar problems?
Thanks
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hn
What octane of fuel has it been run on? Have they done a compression test. Did they tell you what the exact code number was?
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As implied, it is a known issue with VW/Audi FSI engines.
Apparently if they are not run on the zero sulphur high octane, expensive, petrol things go pear shaped. I do not know the details.
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I wasna fu but just had plenty.
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Hi
We run it on premium grade (98?) fuel - e.g. Shell Optimax.
No, they have not explained the diagnostic code - all they described was a "full wiring check and software update".
This DOES seem to have got rid of the mis-fire, but the emmision light is glowing yellow - I only have another month or so to get it fixed, before the warranty expires - hence my concern.
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