Thread: 1999 E320 questions
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Old 02-15-2013, 08:53 PM
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RichardM98 RichardM98 is offline
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Purge valve (MOT) is a solenoid so it should tick (open/close). Some are louder than others. I don't think loudness is a sign of pending failure.
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1998 E320 Wagon
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