Re: 9-5 AERO, sudden rough idle, high ignition advance - Saab 9-5 Bulletin Board - Saabnet.com
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Re: 9-5 AERO, sudden rough idle, high ignition advance
Posted by Jeff Zirzow [Email] (more from Jeff Zirzow) on Sat, 20 Sep 2014 22:42:05
In Reply to: 9-5 AERO, sudden rough idle, high ignition advance, Jeff Zirzow, Sat, 13 Sep 2014 15:06:57
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Friend (Toyota mechanic) came over tonight had a different scanner, identified P0304 code (cyl 4 misfire). Looked at injector 4 resistance, 16-17 ohms. Think this new code might lead us to other areas. From what I read it could be weak fuel pump, bad injector, bad plug or something going on in Cyl #4. Being that the car had occasionally had minor hiccups until now, thinking something was getting ready to quit, and finally did. Planning on compression tests first, to rule out cylinder/head issues, then track down other elements.
posted by 68.35.184...
Posts in this Thread:
- 9-5 AERO, sudden rough idle, high ignition advance, Jeff Zirzow, Sat, 13 Sep 2014 15:06:57
- Re: 9-5 AERO, sudden rough idle, high ignition advance, Jeff Zirzow, Sat, 20 Sep 2014 22:42:05 <-- Viewing This Message
- Re: 9-5 AERO, sudden rough idle, high ignition advance, Dean, Sun, 14 Sep 2014 08:08:59
- Maybe a vacuum leak, Paul from Palmyra, PA, Sun, 14 Sep 2014 02:09:55
- Re: 9-5 AERO, sudden rough idle, high ignition advance, SRS900S, Sat, 13 Sep 2014 19:15:42
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