2011 Accent - 4 new coils , all new spark plugs, in past 3 months and still getting misfire. What else should be checked ?

Asked by janeto7 Feb 10, 2016 at 12:47 PM about the 2011 Hyundai Accent

Question type: Maintenance & Repair

Car bought used from Hyundai dealer in Aug. 2014.    In Nov. 2014, stopped
dead on highway.  Dealer replaced Coil #1 and all spark plugs.  May 2015,
stopped dead again on highway, dealer replaced Crank Shaft.  Oct. 2015,
Check Engine light came on, dealer replaced Coil #1 again.  Nov. 2015, Check
Engine light - dealer replaced Coil #2.  Dec. 1, 2015, Check Engine light -
Dealer replaced Coil #3.  Dec. 2,2015 - Check Engine light - dealer replaced
Coil #4.  Dec. 15 - all spark plugs replaced again (after 1 year).  Jan. 19, 2016 -
Check engine light - Dealer says 'loose spark plug'.  Feb. 3 - did 96,000 km
service (a bit early) at dealer (belts replaced, transmission fluid service, etc).
Feb. 7 - Check Engine light came on indicating misfire.  No fault could be
found by non-dealer mechanic.     Just waiting now for light to come on again !
Car has about 92,000 km and 2 months left on 5 year warranty.    Any
suggestions on what might be going on ?  The dealers just seem to replace
parts without worrying about what is causing the problem.

janeto7 answered 8 years ago

One more piece of information - the last two times the check engine light came on, it has been when I started the car. Not while driving.

2 people found this helpful.

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GuruCM2LJ answered 5 years ago

I have a 2011 Hyundai Accent and have replaced coils atleast five times already. Dealer even told me Hyundai should have recall on these. Most were done under warranty but now warranty is out and it's back in shop again for misfires. I will never buy Hyundai again. I could never trust taking the car on any long trips since it is so unreliable with the misfires.

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2011 Accent - 4 new coils , all new spark plugs, in past 3 months and still getting misfire. What else should be checked ?

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2011 Accent - 4 new coils , all new spark plugs, in past 3 months and still getting misfire. What else should be checked ?

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