I'm not getting a VIDA, she's trying to sell it next week and leaving the country in 3. The good used TB made it run, but it's throwing codes for idle speed control and MAF again. It's got an...

Just unplugged the TB connector, cleaned, contacts look good. Unplugged battery just to try. Hooked up scanner, took for a drive. Rough idle on startup again but as soon as I started to drive, it...

I'm working on a friends XC70 again. She needs to get it running to sell before she leaves the country and this morning it started idling rough, showing "Engine system service" in the message...

I got a text last night and the code has went away. Re-timing the exhaust cam resolved it. The phasers can be finiky, I'm just glad I'm finally done with chasing codes on this jalopy

I didn't remove the VVT hub on this thing either. Only thing I can think of that causing the cam reset valve code is maybe the exhaust cam turned a bit when I put the new belt on. I took it apart...

Turned out that it was the PCV system. Banjo bolt was plugged. We did the timing belt, water pump, tensioner/idler at the same time. No MAF codes now, but it's throwing "Exhaust cam reset valve"...

I'm going after the evap system next. Since it's due for a service anyway. Is there a way to check these valves without VIDA? I've got an OTC scanner.
It's got the symptoms your explaining. It...

I'm working on a friends '06 XC70, it's got rough idle, sometimes stalls after startup, stumbles on acceleration. Seems less when it's warmed up. It started on a trip out of town, threw MAF code and...