Another RS4 taken down by valve deposits
04-29-2009, 07:38 AM
#101
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04-29-2009, 08:17 AM
#102
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04-29-2009, 09:49 AM
#103
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04-29-2009, 11:57 AM
#104
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Exactly, Shell's gas now has the stuff that Chevron's has had it t for years. It's great stuff and does in fact work for DI engines. So now, the only two gasolines on my list are Chevron and Shell, bot of which are good for di engines.
04-29-2009, 05:43 PM
#105
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hello: my rs4 had the same problem after i brung the car to the dealer they kept the car for a month and they replaced the injectors and coils and flused the gas tank amd they gave me $24.000 for the inconvinece the car is fine now.
05-02-2009, 08:23 AM
#108
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I think 2 clear high temperature corrugated hoses (e.g. http://www.mcmaster.com/#tubing/=1p7kxz) running from the valve covers down to an oil separator located near the oil filter, then a hose coming back up to the cyclone oil separator. Then you have gravity working for you. Any oil that condenses on the tube goes down to the separator, the long tubes allows cooling off of the gas to promote condensation/separation, plus being clear, you can see what is happening. These high quality tubes aren't cheap, but neither is removing the manifold and cleaning the valves.
05-05-2009, 09:35 AM
#109
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I have a 08 A6 3.2 with the same exact problem. 12 days at the dealership and still havent gotten the car back. That cleaner crap didnt work. I hope to hear others have the same issue with non- RS4 models.
05-06-2009, 09:37 AM
#110
Just had my car serviced, Not sure if I wasted my money but I had them do some Fuel system cleaner. $110 for the labor and $42 for the induction kit. Only use Shell 93 Vpower and haven't noticed any problems but figure this is fairly cheap preventive maintenance