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  1. Spark Plugs Question on 2002 G20

    Maintenance
    I changed the spark plugs on my 2002 G20 this past weekend with NGK PFR6B-11 plugs (I confirmed the gap is 0.043"). 5 days later, the SES light goes on. After getting the error code, it points to rear O2 sensor. Subsequently I changed the plug wires, distributor cap and rotor also. The light...
  2. Spark Plug

    Spark Plug

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