Question about 2002 Hyundai Accent

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Check light flashing on dash

Car going very slow and there is a check light flashing in the dash. We put it on the machine to check for fault and the coil was highlighted. We got a new coil put in but car remains the same.

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  • yadayada
    yadayada May 11, 2010

    did you run any diagnostic tests before u just threw this part in? ouch, guessing hurts, get a factory manual and do the work.

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Light flashing is an extremely bad misfire. I'd be surprised if one of your plug wires isn't burned through.

Posted on Jan 14, 2009

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Hi it cud be your plugs breaking down

Posted on Jan 14, 2009

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What would be recommended would be to take it to a shop and have them do a diagnostic or at a minimum take it to an Autozone store if you have one close. If not the most likely cause of your problem (I had the same problem) is either the plugs, or plug wires and they have caused the coil to go bad. For this type of vehicle I would strongly recommend NGK plugs (available at most parts stores, if you go cheap on the plugs you will pay the price). At the same time the plug wires should also be replaced. The best brand is the NAPA Belden Maxx spark plug wires. You can also check with whatever Hyundai dealer is close by, but they will try to sell you a $120 dollar set of plug wires. If you don't have a Napa nearby then whatever parts place is near or if you can order online then that is great. If you try to go cheap on these the same thing will happen. For this type of vehicle, premium spark plug wires are recommended. If you go with anything other than NGK plugs you will also have problems. Make sure that each plug is gapped appropriately and I believe for Hyundai's they should be gapped to 44" (ask at the parts place for you specific vehicle or the dealership). A gapping tool is around $1 you insert the gap tool into the metal end of the spark plug and rotate the plug until it reaches the desired gap.

Posted on Feb 11, 2009

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