Question about 2001 Hyundai Elantra

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Engine light is blinking and it runs very rough/low power in gear.

My 2001 Hyundai Elantra just started to run rough when in gear. The Check Engine light is blinking. Any Suggestions?

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  • johnmadd2263 May 04, 2009

    Check the coil pack. Same symptoms on mine. It went at 74,000.
    You can get the resistance specs from a shop manual. I have been told the plastic engine cover traps heat and makes short life of the coil pack. I removed the top engin cover, cosmetic only after replacing mine. You will probably need spark plugs also they are probably fowled by now. If you have not changed spark plug wires in awhile in would not hurt.

  • carhob May 11, 2010

    when engine light blinks ecm has detected random missfire at spark plugs or plug,depending on code,it can be cause by damage spark plug,plug wiring or coilpack!scan code to pin point if its random or 1 cylinder only that missfires.

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  • 16 Answers

Check the coil pack. Same symptoms on mine. It went at 74,000.
You can get the resistance specs from a shop manual. I have been told the plastic engine cover traps heat and makes short life of the coil pack. I removed the top engin cover, cosmetic only after replacing mine. You will probably need spark plugs also they are probably fowled by now. If you have not changed spark plug wires in awhile in would not hurt.

Posted on May 04, 2009

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