2004 Touareg v6 3.2L not starting in warm weather - Club Touareg Forums
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post #1 of 3 Old 02-16-2017 Thread Starter
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2004 Touareg v6 3.2L not starting in warm weather

Hello all,

I have a 2004 touareg v6 3.2L. This winter the car started to have trouble with it not wanting to start or idling very roughly. The exhaust light came on and O'reilly's diagnostic said it was the cam shaft position sensor. I didn't have the means of replacing it then so I kept my foot on the gas and drove it home, mind you this was on a warm day and it was having trouble after trying to drive it about 2 hours from the first initial start up for the day. I was able to replace both cam shaft position sensors after a few weeks of it intermittently not starting well, idling roughly, or just dying right after trying to crank on. The problems only arise when its warm out, like above 20ish degrees. When its super cold it has been fine and is able to idle normally and had no issues.

I have been reading forums online about it being a fuel pump or fuel injectors. I have read that someone else had problems with it not start well because he used cheap fuel and used HEET to try and solve the problem. I have had the car for 4 years now and have always used cheap fuel, not premium. I just added some HEET to my tank to try and see if that will work. When I got my camshafts changed the mechanic said that my spark plugs were very dirty and had a lot of rust on them so we changed those as well.

I am not a mechanic by any means and barely know anything about cars in general..

Please help me...
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post #2 of 3 Old 02-16-2017
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Most VW VR6's require premium, I thought.... <shrug>

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post #3 of 3 Old 02-17-2017
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was the rust on the part of the spark plug that is in the cyclinder? If so, rust is a sign that coolant is getting in to the cylinder (head gasket or warped head). Also, how many of the spark plugs had rust?

2012 Touareg Lux 3.6L
2005 Audi A6 3.2L
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