Right after getting gas today on my break from work, driving down the road the car stumbles and SES comes on. I guess it was in limp mode, it wouldnt go over 3k rpm and it was rough when i shifted. Soon as i got back to work, (autozone, ironic i know) and turned it off and back on to read the code it was gone, came up with pass no codes returned and it ran fine. My gas mileage has been going down though, so im thinking it was the MAF and its starting to go bad. Not original, had it done last summer.