PEUGEOT ADBLUE DELETE THINGS TO KNOW BEFORE YOU BUY

Since final diagnostics / code clearing drove 3 miles and light again on / motor turned off straight absent advertisement blue filler cap taken off and tried to blow/suck as a result of cap to determine if ventilated. Cap is NOT ventilated. left cap off and tissue in filler neck for 80 miles/no lights came on.Several of the solutions and replacemen