All Things Mk5 > How to Guides / Troubleshooting

Slight misfire on tick over.

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kierongti:
the dv is part mechanical and part electrical on these...(i am used to old skool cars) if there was a hole in the diaphram on the dv it wouldn't bring up a fault code. however if there was a fault in the elec side then a better chance of a dashlight or code. mine had 3 or 4 big holes in it which caused a huge boost issue, hiss and a loss of power.
i would recommend changing the dv to the revised vw dv. when taking the dv off, pull the black cover/ring of the top to reveal the crappy thin rubber where the holes may be.... vw dv....£40ish, 3 screwsand 1 plug to fit it....

rotty80:
Ive checked my dv and its perfect condition.

x18wag:
i have the same problem had the car serviced new plugs filters the lot, 3 days later starts running like a bag of sh*t and vw checked for codes none came up, the tech thinks it may be the dual mass flywheel i really dont know, i just had my dv changed from the standard one which was fine to the latest revision and still gettin misfire and like a misfiring when going up the rev range, forgot also had the inlet mainfold electric motor replaced as it was faulty and problems still on going.. starting to want to get rid of the gti now as its buggin me :(

cuzmk5:
Vw changed the dv, but it didnt cure the problem, just made it a little less noticable. They was in contact with vw in germany through out all the tests and checks that was done on the car and they came back with that it seems to be the norm on these enginges, after they had tested several other cars. went to europe and covered over 1000 mile in the car and it seems to be ok now, does do it now and again, but no where near a bad as it use to.

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