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Not sure I understand this, my OBD cable form my RossTech kit seems to work just fine pulling down OBD2, am I missing something?
Yeah. I have the VAG code reader from Ross Tech from working on my Audis. Haven't bit the bullet to get the upgrade to read Porsche codes so all I can do with it on this car is OBD2 but I can still clear the DTCs
Thanks for the info i have owned this one since 38k the coils I removed (in the pic) have the VW symbol on them so I assume they are original. the plugs came out easy, too easy based on my experience for a car with original plugs and 107k so maybe you are right about that slime i went ahead and changed them all (coils and plugs) and it's running great again. CEL still on but I assume that will go out or I will clear it just hoping I'm not treating the symptom and not the disease and will end up with messy coils and plugs and misfires shortly roger
My 2004 Cayenne started missing. This happened pretty much after I put some fuel in it that may have been bad. I tried using fuel treatment, gas dry, etc but it still kept missing. Finally the CEL went on, code reader pulls cylinder misfire on 2,3 and 5 since the car has 107k on it and has never had coils or plugs I figured it was time since I know that is a common cause if misfire. when I did the job I discovered that the coils were covered in a oily slime as well as the spark plugs. Only two cylinders were basically clean. The plug threads were covered in this crap too please pics. I'm assuming this is not normal but is it simply from having bad/cracked coils or is more going on? Spark plug gaskets come to mind. im a decent amateur work on many of my vehicles, so any leads would be appreciated regards roger