Thank you for the info, I will do just that if this happens again, so far no reoccurrence since the weather warmed up.

Thought I would share this with everyone. We had serious cold here last week, and the car sat outside for 9 hrs. I started it (not plugged in) and it fired up ok, but then starred surging and this engine performance message came on. No cel light on though, so I let it warm up 5mins. or so and tried ...

Thanks for the reply, now , I have another question. What is up with this weird fuel door locking system? Sometimes it doesnt relock when I drive away, so I have had to hit the open switch again and drive away to see if it locks next time. Usually it does, I wonder what is going on there and WHY Vol...

Well I seem to have cured the misfire, by changing the NGK plugs I had just put in and installed factory plugs and while I was at it inspected the wiring to #3 coil pack connector. I found 2 bare wires side by side under the loom, Ive repaired those and havent seen the misfire code for a 1000 km. I ...

Thanks for the procedure, had the same problem on my V70, worked first crack at it, great site.

Hello everyone, glad to be here. I just purchased a 2007 V70 2.5T in immaculate shape and we love it... except the rough idle. I knew something was off before I purchased it but I believed it wasn't serious, plugs or a coil pack, no problem. Anyway, She's thrown a P0303 code several times, so I star...