Question about 2006 Saab 9-3 1.8i
DTC P1343 - Misfire Cylinder 1 With Fuel Cut-off
I would start looking at the air intake for leaks first. Make sure the intake boot isn't torn anywhere, inspect it throroughly around all grooves for cracks. Also check the crankcase for excessive vacuum by removing the oil cap with it running, listen for idle speed change, and excessive vacuum entering with the cap off.
This would indicate the crankcase vent valve has failed under the intake.
It can be replaced without removing the intake, it's kind of a pain. You will need the valve and the attaching hoses since they will need to be broken to remove the valve, and they get brittle with age.
The valve is located under the intake, slightly forward of the throttle body. I wouldn't try do do it unless you're really mechanically inclined, its kind of tough.
Hope this helps.
Posted on Mar 07, 2012
P1300 is random misfiring. I suggest replacing your DI cassette with a known good unit or a replacement unit. Give more info on your vehicle. Any symptoms or running rough?
Posted on Sep 16, 2008
Hello, i have the same car 1999 saab 93 and i am having the same problems. P1171, P0171 , P0300, I had it at the saab dealer and NOTHING. When i come to a stop she starts to shut down. I just paid $500 for DI cassete and thats not fixing the problem. YOU ever found out what yours was? And what fixed it??????
Posted on Jun 16, 2010
CODE PO442 - EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED SMALL LEAK. LIST THINGS TO CHECK, CHECK FUEL FILLER CAP,CHECK FUEL FILLER PIPE PACKING,CHECK THE DRAIN VALVE,CHECK THE PURGE CONTROL SOLENOID VALVE,CHECK THE PRESSURE CONTROL SOLENOID VALVE,CHECK THE EVAPORATIVE EMISSION CONTROL SYSTEM LINE,CHECK CANISTER,CHECK FUEL TANK,CHECK ALL HOSES FOR DEFECTS LIKE CRACKS, BROKE PLACE OR DISCONNECTED. TO EVAPORATIVE EMISSION CONTROL SYSTEM.
Posted on Feb 20, 2011
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