service engine soon, warning light on 2004 Nissan Murano

The warning light for "service engine soon" comes on and stays on. I took off the gas cap and tightened it several times. It's been a week now..

by in Glendora, CA on March 02, 2010
2 answers
ANSWER by , March 02, 2010
You'll need to get the codes read out to see what caused the light to come on, otherwise it's hard to know where to start.
ANSWER by , July 23, 2010
more than likely your fuel sensor...cost about 400 to repair