I have a 2002 S80 with only 1k miles. The car is great except for one problem: the check engine light has come on twice in my short ownership. The first time it came on with 400 miles on the odometer. I took it to the dealer: the code was intermittent misfire. The dealer checked everything, including plugs, and said all was perfect. That was about three weeks ago. Today, while driving on the highway, the light came on again. The car drives very well, and I can detect no problem in performance. I live 60 miles from my dealer, so I cannot keep going there just to check on this light. Here are my questions:
1) What could the problem be? (It is not fuel or filling the tank which is causing this)
2) Is there a way to reset the check engine light?
3) Is there a device I can buy to monitor the code myself?
The car is wonderful except for this one issue. I appreciate your insight.
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