Hello. Every 200 to 300 miles the cel illuminates and the codes are 1328 and 1330. Lately the 0704 fault code comes up with these codes. I have replaced the oil cap seal and fuel filter. Before I look for vacuum leaks is there anything else that coul

Hello. Every 200 to 300 miles the cel illuminates and the codes are 1328 and 1330. Lately the 0704 fault code comes up with these codes. I have replaced the oil cap seal and fuel filter. Before I look for vacuum leaks is there anything else that could trigger these faults?

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This post was auto-generated based upon a question asked on our tech article page here: Finding Vacuum Leaks on the Porsche 911 Carrera - 996 (1998-2005) - 997 (2005-2012) - Pelican Parts Technical Article

[Casey at Pelican Parts]

What year and model are you working on?

- Casey