blue or greeen? 2 or 4 pin? short and sweet. im sure its been answered before

 

Go to the dealer. They cost under $20.

 

green

 

For what engine? mine needed a blue.

 

1.8t Where is the cheapest place to buy it? i hear everyone saying its like 8 dollars or something

 

You need to look at the one that have have in your engine already to see what you need to replace it with. There are 2 different kinds:

http://www.purems.com/products/product.php/II=1607

http://www.purems.com/products/product.php/II=1472

Mine had the first one, blue. You need to check to see what you have before you buy a new one. I just made this mistake yesterday. I bought the green one... [:@]