Question about 2003 Saab 9-3
Convertible Approx 100 miles
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Posted on Jan 02, 2017
P1312 is ignition coil knock detection cyl 1 and 2 and the cause is quoted as wiring open circuit/short to positive, ignition coil assy, ECM.
P1334 is as 1312, but cylinders 3 and 4.
The other thing to that would cause detonation too is low fuel octane causing detonation during acceleration. Or dirty fuel injector and dirty fuel filter. Timing would cause this but i don't think your timing is off since you can get it started. Recap, add fuel injector cleaner to your gas tank for the next 3 fill ups and try using a higher octane rated fuel like 91 and replace the fuel filter for now and see if there are any improvments. keep me posted, be glad to help.
Posted on Jun 25, 2009
CODE P1312 -COMBUSTION DETECTION CYLINDER 1 2 OPEN CIRCUIT SHORT TO B+ POSSIBLE CAUSE -CHECK OUT PUT SIGNAL FROM CONTROL MODULE- CHECK FOR POOR CONTACT IN CONTROL MODULE CONNECTOR- CHECK HARNESS BETWEEN MODULE AND CONTROL MODULE. CODE P1334 -COMBUSTION DETECTION CYLINDER 3 / 4 OPEN CIRCUIT SHORT TO B+.YOUR POSSIBLE CAUSE IS THE SAME AS P1312.
Posted on Jul 26, 2009
P0442 Evaporative Emission Control System Leak Detected (small leak)....this actually should not cost that much...its more then likley a leak on 1 of your hoses...if u take it to the dealler the parts and stuff is more expensive...but if u take it to the mechanic shop then they are more then likley goin to tell you u need stuff that u really dnt in it probally in hte long run cost you more there....but its up 2 u...any more questions feel free to ask...hope this helps
Posted on Apr 02, 2010
Testimonial: "Thanks for advice. I have long trip planned approx 1000 miles. Can this wait or should I have it rectified before I start for the trip."
u can... it aint hurtting nothing exept you may be getting a little bit less gas millage...hope this helps
Posted on Apr 02, 2010
Testimonial: "Thanks for very succinct & prompt response."
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