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plugdiy

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    Spark plug(DIY)

    Hi, I'm planning to change(DIY) spark plug on my W202 97 next weekend. Do I have to disconnect the battery terminal before start the job. Next question is, can I use electrical contact cleaner to clean MAF. Thanks.
    • clie
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    • plugdiy spark
    • Replies: 7
    • Forum: Engine
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