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P1312 Diagnostic Trouble Code Discussion for April 2015

Exhaust Gas Temperature Sensor Malfunction

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Trouble Ticket Help Requests for DTC P1312
Help Request Posted
2003 Saab 9-3 Linear 2.0L MIL Lamp on VIN: YS3FB49S83
P1312: Ionization Signal Implausible sooted spark plugs. ... Purchased car had like 12 codes, worked on all of them, now down to these two, and at this point Im more worried about P1312 since its obd and car cant pass emissions. (If the two codes are not related since I see relay feeds voltage to system) engine has...
April 16, 2015