2002 Volkswagen Jetta TDI "precipitation amounts" Questions

...of power when it rains outside well driving or it sitting. Or even when there's small amount of precipitation outside. I don't know what to replace or fix. I've heard to replace the ...

wht is a TXV WHAT IS A TXV ON THE EVAPORATOR Simply it's a valve in a refrigeration system that controls or meters how much coolant is allowed into the evaporator. A thermal expansion valve (often ...