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P1531 Diagnostic Trouble Code Discussion for April 2010

Air Conditioning Evaporator Temperature Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1531
Help Request Posted
2001 Audi A4 Quattro 1.8L Hesitation, Misfire VIN: WAUDC68D41
P1531: Camshaft Solenoid Circuit. This vehicle has been setting P1531 (camshaft solenoid circuit) for several months, but vehicle drove OK so customer didn't want to spend any time on it. Recently the customer complains of rough running, misfire and hesitation. Checked the usual plugs/coilpac...
April 07, 2010