Thread: 1995 MERCEDES S320 failed emission in HC at Idle
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Old 09-27-2009, 01:29 AM
Chas H Chas H is offline
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Join Date: Dec 2006
Location: beautiful Bucks Co, PA
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Could be a number of causes.
Dirty air filter
In need of oil change
Engine not up to temperature-most likely
Inept inspection station
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