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Problems with engine speed

swenak

New member
Location
Prague
Car(s)
MKVI GTI Edition 35
Hi,

I have problem with engine speed after engine is heated. Problem is at load, but at idle too. When I drive and then stop, sometimes speed fall to 500-600rpm and then up to standard idle rpm (720-760 in VAG). Sometimes at stop fall to 500-600, then up to about 1000rpm and than fall to standard idle rpm. Same problem I have at idle + sometimes speed go from 3000rpm to 1800rpm, then 2000rpm and then slowly to idle rpm.

Next problem (I mean same) is, that after engine is heated and I drive slowly, about 1000rpm, car is jerking and engine speed changing about 50rpm down/up.

I clear throttle, change ignition coil, spark plugs, MAF, but without effect, clear intake filter.

Maybe problem is in intake after it is heated? Or maybe mechatronic in DSG (but why is problem at idle?).

You can see it on 2 videos.

http://www.youtube.com/watch?v=82EXXsgGt48

http://www.youtube.com/watch?v=jSTwNwBAm8I

It is MKV GTI Edition 30 12/2007, DSG with ATP Turbo kit GT2871R, 35000km.

Thank.
 
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