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P1116 Diagnostic Trouble Code Discussion for August 2008

Engine Coolant Temperature Sensor Performance

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Trouble Ticket Help Requests for DTC P1116
Help Request Posted
2004 Volkswagen Golf GLS TDI 1.9L Excessive Emissions, Hesitation, MIL Lamp on VIN: 9BWGR61J34
P1116: Oxygen sensor heater circuit open. Two of the three codes stored were for the oxygen sensor heater and output circuits open. Replaced the oxygen sensor. Performed the output diagnostic test with the VAG-COM program and all tested components passed. Tried a known good boost/temp sensor on top of...
August 25, 2008