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P2403 Diagnostic Trouble Code Discussion for January 2021

Leak Diagnosis Pump - Reed Switch


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Trouble Ticket Help Requests for DTC P2403
Help Request Posted
2005 Porsche Cayenne 3.2L MIL Lamp on VIN: WP1AA29P35
P2403: Leak Diagnosis Pump - Reed Switch. ... Extracted fault code P2403 - Leakage Diagnosis pump Performed a smoke test and found no leaks. Put a fuel cap and let it go. Has been coming in and out of shop for last 4 months with only this fault car drives well. The Crankcase vent valve , purge va...
January 12, 2021