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P1312 Diagnostic Trouble Code Discussion for March 2014

Exhaust Gas Temperature Sensor Malfunction


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Trouble Ticket Help Requests for DTC P1312
Help Request Posted
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 04, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 05, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 04, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 05, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 04, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 05, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 04, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 05, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 04, 2014
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
P1312: Ionization signals implausible/ sooted spark plugs. ... power. Found codes p0300, and p0325. Plugs were worn replaced plugs. Same problem. Checked scope patterns from all coil ionization circuits all coil patterns look identical. Fuel pressure is 40psi with engine running. All cyl. Compression even 180 psi. Che...
March 05, 2014