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P0530 Diagnostic Trouble Code Discussion for December 2004

A/C Refrigerant Pressure Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0530
Help Request Posted
1997 Pontiac Grand Am SE 2.4L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G2NE52TXV
P0530: A/C Refrigerant Pressure Sensor Circuit Malfunction. ... listed codes(P0530,P1441,P0300,P0108). It is running rough and extremely rich. Pulse width is at 4.3+ during open loop and 7.2+ during closed loop. MAP is reading 2.9-3.0 volts at idle. The cooling fan runs all the time even with the engine at cool temps. ...
December 27, 2004