Question about 2001 Hyundai Accent
Just spent 2 days on the same problem in my mechanical shop. Changed numerous part, even tried another ecm. Found out later that there was a little leak in the manifold intake gasket causing the problem. Change the gasket (8$) + 1.5H of work and car runs like brand new. We identified the problem by spraying some brake cleaner on the gasket. The engine would stop quickly after meaning there was a leak. Good luck !
Posted on Mar 21, 2013
HI, a quick way to check and see if the new plug and wire weren't bad when you bought them is to change the #4 plug and wire to another cylinder. Then if the misfire code shows up on that cylinder and not #4 then you know where the problem is.
If it doesn't change from Cylinder #4 then the problem is most likely internal to that cylinder. The most common problem i have seen is carbon build up on the back of the valves. The carbon will heat up and be able to ignite the fuel and cause a misfire in the problem cylinder. You can try after market additives to clean the deposits or have it professionally done. Good Luck
Posted on Aug 26, 2010
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Posted on Jan 02, 2017
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