Have you checked fuse 11C/35 located on the left side of the dash? The DDM gets power from two sources 11C/27 and 11C/35. Fuse 27 also supplies power...

Thanks, I'll give that try and see what happens. Thanks!

Those are detected and reported at the dashboard console with a Check Engine alert.

How does the engine do in P or N? racing up the RPMs....any lag? There's a possibility that the rock hit the drive train (angle gear, prop shaft,...

Thanks Hoonk, I had this posting on a few sites before posting here and since I didn't get any feedback on the other sites I ordered a new sensor for...

Yes that looks like an organic clot that popped out with the ice. Even here w/o snow, I have to clean those all the time because of pine needles.

I haven't had that exact problem. But, the fault to concentrate on is the door-open sensor. Why?...because the other glitches are related to it...

You should be able to erase a cat code. Do you live in an emission inspection required area? Before replacing your o2 or your cat - try an O2 sensor...

The flaky electrical connection is your major clue. I think you need to get to the root cause of it. I take it you bought an aftermarket fuel...

Honestly, it looks to me like you just knocked some gunk that was clogging up your windshield drains (hence the ice dam). The black stuff is just the...

Fuel line or fuel filter come to mind when I hear about things under the car getting hit and it resulting in engine hesitation.

Your bigger concern will the with the CV joints/axles and if you will be putting undo stress on your axles, bearings and transmission by changing the...

thanks, pbierre; do you think any, all, or none of your possibilities are related to that under the car hit I described in OP ?

is loss or compromise of computer communication to the ECM possible here ?

Side mirrors from 2003/4 - 2007 are interchangeable, I believe.

The 2001-2007 XC70s are often referred to as pre-facelift and post-facelift due to a redesign taking place during the model year 2004(?). For your...

When's the last time you put in spark plugs? How old are your coil packs? Air filter? When you're parked, how fast can you build RPMs? If...

There is no such thing as zero oil consumption. You're likely down a quart at the oil change, or you topped up. 1 quart consumed over 7500 miles...