1.6 LC/S 2004 Accent Misfire. - Hyundai Forum: Hyundai Performance Forum
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#1 Old 08-20-2012, 12:41 AM
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Default 1.6 LC/S 2004 Accent Misfire.

Hi all I own a 2004 accent LC/s, it has always had a slightly rough idle and has lost power recently. I have been picking my brain about this for ages so
I first changed the plugs to NGK iridium no change at all in terms of firing. I then Grabbed a timing light and checked the spark, cylinders 1&3 miss real bad at idle and cut out with throttle input and cut out at steady throttle but quick chirps they fire once or twice. 2&4 fire fine they miss a tiny bit in de acceleration but that's no problem. I am stumped my only thought is the crank angle sensor ?? Oh and I don't get a CEL ever so it's really got
Me stuffed.
Any help is appreciated.
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#2 Old 08-20-2012, 05:48 PM
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Stumped? Really? You have a miss, if it's not the plugs it's the...?????




















































































Change the ignition module / coil pack(s).

http://www.ebay.com/itm/New-Ignition...45ecc3&vxp=mtr

Former Hyundai owner, still here to help.

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#3 Old 08-25-2012, 07:08 PM
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replace your plugs and wires, then go from there

I like to go fast
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#4 Old 02-03-2013, 11:40 PM
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do as the guys recommended and replace the plugs and wires, and don't skimp on the wires.

driving a car with a misfire for continued periods of time will ultimately cause a failed or melted cat converter,

to make things easier and know what you're delaing with, if the car has a CEL, pull the codes with a scan-tool first

Subtle 5-speed J-2 operative since 2010.
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#5 Old 02-10-2013, 09:33 PM
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whats the word?

I like to go fast
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