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I've seen this question pop up on various forums so here is what you need to know.
The 2009 US spec TDI should only take ultra low sulfur diesel USLD due to the emissions treatments.
The law says that you can still SELL non USLD until Dec 2010 but no major refinery still makes non USLD or has for a while.
I haven't seen any non USLD in years and thought that was the case until someone mentioned that they saw a pump without the USLD sticker. Even if they don't have the sticker on the retail pump it's at worst, mostly USLD with a splash of old fuel. The only place you'll find the older fuel in any quantity is Mexico. Even still, I know that they had special USLD filling stations near the border.
I have also added this info to the 2009 Jetta TDI buyer's guide, the reader just has to find it and read it since I keep the page updated.
The 2009 US spec TDI should only take ultra low sulfur diesel USLD due to the emissions treatments.
The law says that you can still SELL non USLD until Dec 2010 but no major refinery still makes non USLD or has for a while.
I haven't seen any non USLD in years and thought that was the case until someone mentioned that they saw a pump without the USLD sticker. Even if they don't have the sticker on the retail pump it's at worst, mostly USLD with a splash of old fuel. The only place you'll find the older fuel in any quantity is Mexico. Even still, I know that they had special USLD filling stations near the border.
I have also added this info to the 2009 Jetta TDI buyer's guide, the reader just has to find it and read it since I keep the page updated.