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P1124 Diagnostic Trouble Code Discussion for March 2004

Electronic Throttle Control Actuator Relay High Input


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Trouble Ticket Help Requests for DTC P1124
Help Request Posted
1999 Porsche Boxster 2.5L Poor Idle Quality, Cuts out, Misfire VIN: WPOCA2988X
P1124: 167 fuel pump relay output stage-below limit. Hello Fellow Porsche techs. This time the usual air mass meter replacement did not do it. This Boxter has a hard time starting, running and idling good in the morning, and it will not take throttle well either for a couple-3 minutes. Spits sputters, backfires...
March 03, 2004
1997 Porsche 911 Carrera 3.6L MIL Lamp on VIN: WPOCA2991V
P1124: O2 Sensor adaptation range 1 enrichment limit cyl 1-3. Vehicle appears to run very well. Oxygen sensors are very responsive to creating a vacuum leak as well as to adding propane. Not sure where to go next. It appears that it will be very difficult to test the fuel pressure, but i think that may be my next step.
March 11, 2004