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rumbles

  1. Charger Problems/Assistance
    1 month ago my car turned the check engine light on,,,, with p0300 and p1521, well i used 10w 30, so i changed it for the 5w 20, so 1521 isnt a problem any more. but i changed the spark plugs, cleaned sensors, air intakes etc, and of corse codes deleted, but my cars stils rumbles a lot in the...
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