how tro reset catalystic coneverters for a 2004 4S

Asked by May 16, 2017 at 12:19 PM about the 2004 Porsche 911 Carrera 4S AWD

Question type: Maintenance & Repair

trying to smog my 911 4S ans showing incoplete

1 Answer

120,555

I think incomplete means your car has not gone all the way through a diagnostic cycle. http://repairpal.com/how-to-perform-a-basic- drive-cycle

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