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P1599 Diagnostic Trouble Code Discussion for March 2008

A/C Pressure Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P1599
Help Request Posted
2001 Saturn SC1 1.9L high idle VIN: 1G8ZN12801
P1599: Engine Stall Or Near Stall Detected. ... cruise speed, about [...] when stopped. checked the IAC counts, 15. Sweeped TPS, OK. And cleaned throttle plates. Pulled DTC's P0122,P0507, and P1599, I need some help with this one, Thanks.
March 19, 2008