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I'm such a n00b that I don't even understand what is going on :)

Hi all, Relatively new to the site, dont post often, so I apologize in advance if there is a thread about this - I couldn't find anything. Anyways, I have had my TDI (first one) for almost a year now, and am thinking about tuning it somehow. 1) Is there any way to increase HP and/or Torque...

Must be a geeky Prius owner who hacked into my car's computer! New to the forum - thanks for the help!

This has happened maybe 2 or 3 times: I put the car ('12 Jetta TDI) in park, turn my key to shut off the car. I get out of the car, and the car sounds like it's still running. I put my hear to the hood and it is still running! Looked inside the car, RPM was 0. Maybe it was just a fan that was...

I filled my 2012 jetta TDI at an exxon yesterday (Tysons Corner, VA). The diesel pump was not labeled with "ULSD". I asked the cashier if it was ULSD, he said "he thinks so". Either way, I was in a rush and figured it probably was ULSD. Took his word for it and filled up just 6 gallons worth...

Hi! New to the forum, and new to TDI's. I never really cared so much about my car until I got my 2012 Jetta TDI 5 weeks ago. Already at 4,900 miles! Anyways, my commute is 35 miles one way, with a 30 mile stretch of open highway. 3 out of the 5 days I keep it in cruise control at around 60mph...

Just out of curiosity, are you able to notice a difference when you use an additive vs. when you do not? In other words, with the exception of potentially increasing of longevity, etc, do you notice better fuel economy, power, etc...? And, this might sound silly, but is it ever too early or too...

I just bought my 2012 Jetta TDI 4 weeks ago (already have 3.5k miles on it). Love it so far! My question for you is...you say: good additives = insurance? But at the same time: any additive = void VW warranty. I, like many new VW owners, have the 3 year / 36k mile warranty. Not sure if I want to...