Ok, I have a 96 960 and tonight when I got in the car, I smelled gas. I went to Wendy's with a friend and the whole ride we smelled gas. Sometimes faint, others strong. I stepped out to see if I could see any leaks, but I have absolutely no knowledge about cars and don't know what else to check. My ...

I ran out of gas tonight (have to rely on odometer reading at 350 miles because the gauge is broken and will cost an arm and a leg to replace, of course being a Volvo). Anyway-the check engine light came on right as this was happening and now won't go out. Is this common?
I have a 96 960