Without the check engine light, it becomes a guessing game. I think I would start by checking the fuel pump pressure to make sure it is within the manufacturer's specs. The vehicle has low mileage on it, so I wouldn't expect it to be anything major.
One other thought. The emissions warranty should be 5 years or 50K miles. That would cover most all sensors or any emission related components 100%. You may want to contact a dealer to discuss possible issues that may be related.
Thursday, February 13th, 2014 AT 5:14 AM