Thanks for the response. The check engine light did come on. The throttle issue is most noticeable in park/idle but remains during acceleration.

I guess I'll take it into the shop to have the codes checked.

Hello, I own a 2000 V40. The car had been sitting, unstarted for about 2 weeks. When I started it recently the engine was throttling wildly in park and somewhat noticeably in drive (more problematic in city driving than highway). I tried disconnecting the wire that hooks up to the MAF sensor, but th...