Porsche Boxster Porsche's smallest and least expensive sports car model,the Boxster is a convertible sports car released in late 1996.

1999 Porsche Boxster error code 1123, 1125, and 1128

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Old 05-10-2014, 05:25 PM
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Default 1999 Porsche Boxster error code 1123, 1125, and 1128

Seeking help in this problem, took the car into mechanics who checked the fuel system and said all was good. After 50 miles CEL came back on, had codes read and same codes. Was told it could be the MAF sensor so replaced that also and after 50 miles CEL back with same codes. Can not pass smog as check comes up saying OBD Catalyst, OBD Evap and OXY SNSR not complete. Going crazy chasing this any help PLEASE!
 
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