Misfire in cylinders 1,2, and 4
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This is a discussion on Misfire in cylinders 1,2, and 4 within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hello everyone, my car threw a CEL like always , i got out the scanner and got cylinder misfire in ...

  1. #1
    Registered User wrxwagon2's Avatar
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    Misfire in cylinders 1,2, and 4

    Hello everyone, my car threw a CEL like always, i got out the scanner and got cylinder misfire in 1,2,and 4. it did this before i had a misfire in 1 and 3 so i changed the plugs and the CEL went away. Now its back on. What should i do?
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

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    Registered User EvoEatr's Avatar
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    Is the car actually missing? like do you hear/feel it? Im assuming all of the plugs are new? do you notice a lack of power or anything? does it miss all the time or just under load? how many miles are on the car? How long ago did you install the plugs?

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    Registered User wrxwagon2's Avatar
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    its not missing, a little power decrease, i changed them 300 miles ago, theres 102,000 on the car.
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

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    Registered User EvoEatr's Avatar
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    Personally, I would clear the code and see if it comes back if you dont hear it missing at all...Did you clear the code after you replaced the plugs or did the CEL just go out?

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    Registered User wrxwagon2's Avatar
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    CEL just went out. The guy at autozone said and i qoute " yeah man needs new plugs and wires" but i just said ok because i just wanted the code. The wrx has coil packs. so theres no wires right
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

  7. #6
    Registered User EvoEatr's Avatar
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    correct...coil on plug...you could always swap the cyl #1 and cyl #3 coils and see if the misfire follows it..however i would find it hard to believe that like 3 coils would go out at once...Did you replace with stock plugs?

  8. #7
    Registered User wrxwagon2's Avatar
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    im gonna try resetting the computer, but yes the plugs were replaced with the stock plugs.
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

  9. #8
    Registered User fire_cky's Avatar
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    i had this exact problem back in january on my 2002 wrx wagon, except it was cylinders 1,3, and 4. took it to the dealer, turns out there was an update for the computer which solved the issue.
    '07 wrx wagon:
    Cobb catback, cobb short ram with intake box, turbosmart small recirc valve, yellow tinted fogs.

    little bit older and a little bit more jaded.

  10. #9
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    Quote Originally Posted by wrxwagon2 View Post
    Hello everyone, my car threw a CEL like always, i got out the scanner and got cylinder misfire in 1,2,and 4. it did this before i had a misfire in 1 and 3 so i changed the plugs and the CEL went away. Now its back on. What should i do?
    This has been discussed in a previous thread at lenght.

    Stumped with a misfire problem

    Check it out. Lots of good info.

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