I have a 2005 9-5 Arc 2.3T. CEL is on after cleaning the injection system and throttle body. Car was running a little rough. At 62k mile, changd the DI Mod. and the plugs. Now at 74K miles.


Asked by Apr 22, 2013 at 07:59 PM about the Saab 9-5

Question type: Maintenance & Repair

I cleaned the injection system with 3M injection system cleaning kit.
The car did not run any different.  Now the CEL is on.  
I took it to Pep Boys for a code reading.  
Codes are  P0300 Generic Ingnition misfire and P1300  Saab specific code.
Can you tell me what P1300 is?


2 Answers


p1300 is random misfire detected-catalyst damaging


Might you have watery gas? Does it run worse when low on gas? If so fill tank and run a stiff mix of isopropyl alcohol. Red heat.

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