09 Accent runs rough when accelerating from a stop and check engine light on
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Asked by zippiesdrainage Feb 21, 2015 at 09:07 AM about the 2009 Hyundai Accent

Question type: Maintenance & Repair

Yesterday it was cold, very cold. 1 degree outside with a wind chill that dropped the temp to -15. I tried to start my car several times (maybe flooded it) but couldn't get it to catch after cranking. Eventually gave up and decided to try it again today. It started with minimal fuss but the check engine light is on. I decided to drive it around the neighborhood and it feels rough when applying the gas from a stop, but when I get to second gear it doesn't feel any different than before. Not sure if the check engine light is for and wondering how worried I should be.
It's a good car, around 90,000 miles and never had any issue before now. Not sure if it's the cold gas, misfiring or that I may have flooded it and then left it in sub zero temperatures.

Thanks

4 Answers
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zippiesdrainage answered 9 years ago

For clarification, it sounds fine at idle, and idles fine. The only weird part is when accelerating from a stop. I can't tell if there is any loss of power once I hit second gear, and the check engine light is solid, not flashing.

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Ak321 answered 9 years ago

Mine did that too. It's a 2010 accent and had the same issues. After a day it went away, so I thought it was the cold. Now today it did the same thing, but started fine and the light came on after I stopped at a stop sign. It's 30 degrees today so I can't attribute it to the cold. Any ideas?

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Lilmechanicmomma answered 6 years ago

Sounds like this is a problem with all accents my 08 did the same exact thing plugs 3&4 misfire and bought all new coils plus o2 sensor and solved the problem.

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GuruTK2CN answered 6 years ago

Hello i got an accent 2007 Gasoline Gls Crdi 1,5 l and today that was almost 12° it stared but it ideled roughly and when i ran and accelareted, it disappeared. What can be the Problem please guys? Best Regards Mohsen87smh@yahoo.com

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