Actually the problem ended up being that the turbo oil return line was leaking out onto the cat causing a bad smell. I ordered some o rings online but I was sent the wrong ones so I made my own out of some rubber gasket material.

My cat is starting to smell pretty burnt up when I drive it for any period of time. It could be just moisture but I smell this heat smell a lot of times when I step out of the car after a four hour drive. Any ways, I wanted to know if it is alright to use an aftermarket cat on the T5, I herd it mess...

I originally had read a check engine light for my coolant temperature sensor and replaced both the sensor and the thermostat. Every thing ran fine for the first two weeks, until the temperature sensor readings started getting lower and lower every time I start the car. I replaced the sensor agian af...