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spark plugs rough idle

  1. Spark Plugs

    Dodge Nitro Mechanical Problems and Questions
    I just changed my spark plugs out after the old girl started misfiring. I popped them in yesterday afternoon and took her for a drive, bam shes fine. This morning on my way to work, she started to idle rough, and I couldn't get her above 30mph. The check engine light flashed and stayed on so...
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