Hello good people! Can't catch a break today-some jerk side-swiped my husband's car last night and on my way home tonight my check engine light came on and the car is "jerking/bucking" when I push on the gas pedal. This is a very well maintained 2005 PT Cruiser-new plugs etc 6 months ago. We're thinking O2 sensor time? The car has 86,000 miles on it. Has two year old fuel pump in it.Thanks for any help!! PS its sitting at the repair shop now.