Green Top Coolant Sensor - Purchase

Within a few days of owning the VR6, I stumbled upon an amazing website…www.vwvortex.com and specifically the sub forum “2.8l 24v VR6 Engine Forum”.

It was while lurking this forum that I learned several common (potential) engine issues. One of which was the stock Coolant Sensor was prone to failure and cause wacky temp reading, throw Check Engine Light(s) and reduction in fuel efficiency. The latter being that if the sensor was faulty and told the ECU that the engine was running hot, it would direct the ECU to dump extra fuel in the cylinders to cool them down.

This inevitably faulty sensor was replaced with a redesign that the insiders call the “Green Top Sensor” …not knowing the history of my car, and the sensor is relatively cheap as far as auto parts go, I figure I’ll order one, put it in and check that off “the list” of potential issues.

So I ordered one on the 18th and it was shipped on the 19th from www.tdiparts.com .

The site is specific to diesel VW’s but the sensor is the same. They also had the sensor with new o-ring and retaining clip for much cheaper then my local dealership.