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Home >> Saab >> 2004 >> 9-5 Linear, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (TRIONIC T7 Fuel Control System) >> Fault Diagnosis Fault Codes >> DTC P1300: Random Misfire Detected. Catalyst Damaging. >> Diagnostic help
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Diagnostic help

WARNING: This page is about a different car, the 2003 Saab 9-3 and 2002 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

If any other trouble codes have been generated, check whether fault diagnosis should be started on any of them first. Read Freeze Frame and change spark plugs.

Then make a general inspection of connectors and hoses and subsequently a thorough check of compression, ignition and fuel system.

Functions in the diagnostic tool related to the fault: