hi, sorry to jump on this thread, but i found it via a google search
i have the exact same issue. 2012 skoda superb 2.0 tdi done 130k miles
i blew a fuse in the engine bay few days ago 15a by dropping a screw into the cig lighter plug which shorted it (i was removing the stereo)....the car wouldnt start so i replaced a fuse in the engine bay, with what at the time I thought was a spare 15a but realised 2 days later when my 12v and horn wasnt working
I parked car up to check all fuses to find the one for the horn...not realising i had pulled it out 2 days earlier to use lol. The two in the fuse box looked separate so i thought they were spares.
anyway..went to start car and it wouldnt start just turning over.
called rac out and they said it was the EGR. car started with easy start...kept revving it. but would cut out again.
managed to get it home by keeping it revved. and then it cut out again.
This morning...after reading this thread...i thought id put a couple fuses in empty spaces. One of them being...the one i took the 15A out of 2/3 days earlier. My horn started to work and car started without much effort. no warning lights and drives ok. not in limp
Any ideas fellas...could the EGR fault have been related to the horn fuse or is it completely seperate
and could the original poster tell me what the issue was please
thanks in advance, look forward to response