I have a 2004 xc70, in the last month or so I’ve noticed a sort of whining noise accompanied by a very slight vibration I can feel in my steering wheel. This noise seems to change with the RPM of the car but is most noticeable below 2000rpm. Maybe at higher revs I just can’t hear it anymore over the...

Fuel pressure check would be my first effort with that symptom set. The fuel pump assembly has a pressure relief valve and the pump itself has a non-return check valve. If either fails the fuel leaks from the line up to engine. If the fuel pressure is not held to a minimum of about 2 bar(29 psi) fo...

I've tried searching this but with no luck, so my apologies if it has been answered before. I have a 2004 XC70 w/ 145k that runs flawlessly other than occasionally, when starting it up, it sounds and feels good but immediately dies. When this happens, almost always, the next attempt is successful an...

It looks like maybe this is the part I need to connect to the red and then to the trailer? https://www.ipdusa.com/products/6802/11 ... -converter

Wow thanks for all the info guys. So presumably, I should be able to plug a trailer right into the red plug? I've never connected trailers before so I am unfamiliar with what their plugs look like.

Sorry if this is a stupid question... I couldn't find anything with Google, must be searching incorrectly. I have two plugs in the back of my 2004 XC70, tucked under the cargo tray. One is orange, another is red. What are they? Here is a picture of them - https://imgur.com/a/GlGPX9Y Are they related...

Just an update - my mechanic found that the CV axle bolt on the front driver's side went missing, and as a result, things shifted out of place and the sensor could no longer get a reading. Once that was corrected, the problem was resolved.

Thanks for the advice, guys. I visually inspected the ABS sensors and couldn't see anything, and my OBD reader unfortunately won't return BCM codes. I scheduled my local mechanic to take a look on Friday morning and see if anything is wrong. Perhaps you guys have some insight into the speedometer - ...

Hey guys- 2004 XC70 having issues with ABS. I was driving home the other day, about an hour trip, and in the middle my ABS light suddenly came on. Never seen it before (though I've only had this car for about 5 months). Other than the light, car was driving normally. Got home, turned car off and the...