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  1. S40 & V50 (2005-2012)
    Hi, i got a Volvo s40 t5 awd MT, and sometimes when the engine is warm, it prefires at low rpm (Max 1500), and sometimes when i shifts low gears it feels like. It has 245k km at the clock. It was a lot worse before, but after changing the spark plugs, the problem almost disappeared. Then it...
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