I have the AutoEnginuity ScanTool but not the Porsche Enhanced Interface Expansion. I have a CEL and am not able to pass smog and my local mechanic hasn't been able to figure out what's wrong. Should I buy the Porsche Enhanced Interface Expansion or buy the Durametric kit?
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Porsche Boxster Fuel Injection Fault Code Reading / Diagnosing Problems - 986 / 987 (1997-08) - Pelican Parts Technical Article