Question about 2002 Hyundai Accent

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My hyundai accent 1.3 has a n engine warning light flashing and misfires when changing gear or power levels. Was told it was coil packs but have changed those as well as spark plugs and its no better is in fact getting worse. Compression test showed nothing significant. Any help very much appreciated. Julie.

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  • julie Oct 30, 2012

    Thank you, i think maybe its getting too much to one? the plug on cylinder 3 is sooty I/m not sure how to test the injectors I guess swao them over and see if it makes another plug sooty? Does that make sense? Oh for a carburetter!!

  • teds repairs
    teds repairs Oct 30, 2012

    the sooty plug can be the cause to the misfire. the is oil getting past the vavle cover into spark plug tube. that would the root to the problem. just need a valve cover gaasket

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  • Master
  • 2,101 Answers

You can have a weak or fuel injector or a bad fuel pressure regularator.you may not be grtting enough gas to all the injectors

Posted on Oct 30, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

maklean
  • 1665 Answers

SOURCE: Misfire on cylinder 1 and 3

Do you observe abnormal idle speed? It may be just an indicator fault; not a really engine firing problem.
Sign up free at link http://ww.hmaservice.com/
You will find a lot of technical information for your model.

Posted on May 20, 2008

SOURCE: hyundai accent 2000

hey mate,
mine did the same thing i had to have mine chassie dyno tuned as it was floding on idel.
also have your ignition looked at my imobiliser was shoot when i got it fixed it seemed to help
cheers jade

Posted on Jul 03, 2008

  • 45 Answers

SOURCE: 2003 Hyundai Accent with Engine skip...error code P0300 P0301

I have seen coil packs go bad on several Hyundai Accents, the coils will do exactly what they are supposed to (hence your check with an ohm meter), however, the coils short through the outer casing. Try running the car when it is dark out and spraying the coil packs with water. Listen for clicking and watch for arching from the coils to any metal around them. Look for abnormal detonation marks in the outer casing. My guess is you just need a set of new coils. If the Problem is worse in the rain then you have found your problem. Remember, If your car has been misfiring (as noted by the engine codes you listed), the EGR valve can become clogged and damage can be done to your catalytic converter as unburned fuel detonates inside it (keep an eye out for O2 codes in the future). Also, your new plugs can become fouled, be sure they are clean once you fix the problem. Checking your plugs can also be a useful indication of which cylinder is misbehaving.

Posted on Mar 18, 2009

  • 4 Answers

SOURCE: 2000 hyundai accent wont start cuz no spark but

itsounds like an immobillzer problem is the yellow key light on the instrument panel lighting up if not thats why there is no spark and i bet u dont hear the fuell pump running either

Posted on Mar 28, 2010

duane_wong
  • 6826 Answers

SOURCE: my 2000 hyundai accent wont start, its tumbling

Maybe the coil pack module that the coil packs sit on is bad if it's like a GM.

Changing the coil packs alone won't always solve the problem.

Posted on Sep 02, 2010

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