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P1540 Diagnostic Trouble Code Discussion for November 2009

Air Conditioning Refrigerant Over-Pressure - Air Conditioning Disabled

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Trouble Ticket Help Requests for DTC P1540
Help Request Posted
2002 Lincoln LS 3.0L Poor Idle Quality, Surge, Misfire VIN: 1LNHM86SX2
P1540: veicle control command. car was brought in for chugging and miss fire had 121,000. replaced plugs and fuel filter cleared computor road tested returned. two days car returned with same chugging problem. replaced downstream o2 bank 2. this time a week later same problem. found vaccume...
November 07, 2009