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P1312 Diagnostic Trouble Code Discussion for October 2011

Exhaust Gas Temperature Sensor Malfunction

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Trouble Ticket Help Requests for DTC P1312
Help Request Posted
2000 Saab 9-3 SE 2.0L Poor Idle Quality, MIL Lamp on VIN: HIY2023888
P1312: Combustion detection for 1 and 2. Replaced plugs to correct P1312. The P0171 reoccured along with P1654 fuel pump relay intermittant coil circut. No obvoius leaks, checked intake gasket with ether. There is some idle speed increase using propane in the intake hose but too much stalls it, respe...
October 12, 2011