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P2403 Diagnostic Trouble Code Discussion for February 2014

EVAP Emission System Leak Detection Pump Sense Circuit/Open

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Trouble Ticket Help Requests for DTC P2403
Help Request Posted
2004 Porsche Cayenne Turbo 4.5L MIL Lamp on VIN: WP1AC29P64
P2403: EVAP Emission System Leak Detection Pump Sense Circuit/Open. OK, 3rd time in for P2403 Evap Emission system leak detection pump sense circuit/open. Freeze Frame Data: 1160 RPM, closed loop, 138 degrees F. ECT, STFT B1 & B2 -6.2, LTFT B1 0, LTFT B2 -1.5, 17 MPH, 2.4% calculated load. Tested purge valve & purge a...
February 08, 2014