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Drivetrain

Flashing check engine light reducing car or truck gas mileage New spark plugs and coils can help

Created on: 2022-04-09

Len explains how running rich can reduce fuel efficiency, and set off a check engine light, and what you can do to fix both!

Tools needed

  • Socket Extensions

    Scan Tool

    Socket Driver

    Spark Plug Gapping Tool

    5/16 Inch Spark Plug Socket

    Ratchet

    Pocket Screwdriver


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