2006 s40 volvo engine light was on because of gas cap not being screwed on properly. How do I turn off the engine light?
Nov 20, 2010 at 2:29 PM
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RASMATAZ
✓Experienced Mechanic
75,988 POSTS
You need a sacntool to erase it or disconnect the battery for a few minutes-but doing this might cause some other problems-such as an idle relearning and throttle positioning-etc