Hello Volvo lovers (and the occasional volvo "hater" )... I need help finding forum threads.

I'm struggling with information overload trying to sort through threads from several of the volvo forums. Can some of you point me to threads that discuss some of these topics:

- engine misfire
- engine stumbling
- ETM failures (actually, I have quite a bit of resources on this)

Background: I have a 2001 V70, 2.4T, 195000 miles. I have a combination of ETM failure symptoms and the engine stumbles while at highway crusing speed. I don't understand the stumbling issue. I'm leaning towards dismissing dirty injectors or fuel delivery problems because the engine accelerates smoothly & quickly without any hesitation under a light or heavy load. And, to make this more frustrating, there will be days when the car runs without any problems.

Thanks much!