| Go back to previous topic | | Forum name | Engine Management Systems & Controllers | | Topic subject | Misfire At Idle | | Topic URL | http://forums.2gnt.com/dcboard.php?az=show_topic&forum=54&topic_id=5778 |
5778, Misfire At Idle
Posted by Wes Tank, Dec-31-69 06:00 PM
Hey guys.
My car is running good and things are going well but I have this pesky misfire right around 1100-1200 rpm. It only happens at that rpm with 0% throttle. If I turn my radiator fans on or lights on to load the engine down a bit, the rpms drop to about 800-900 and the idle is fine. This is really stumping me.
The link below leads to my log file which can be viewed with megalog viewer and I also have a video to show you what I'm talking about.
http://www.filehostfree.com/?d=52119DFE1>missfire.msl
http://s88.photobucket.com/user/crazdawgtodaend/media/Random%20Car%20Stuff/2AC97BE5-A3E8-4782-8C54-8A6397100DDA-9540-000009AB44BA01BE_zps33bc8769.mp4.html>2AC97BE5-A3E8-4782-8C54-8A6397100DDA-9540-000009AB44BA01BE_zps33bc8769.mp4
I looked into it a little further last night and when it is missing, I can take #1 or 4 spark plug wires off and there is no change in the way the engine sounds or runs. There is spark in those cylinders. I wonder if it has something to do with the injector driver for those cylinders.
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5781, RE: Misfire At Idle
Posted by Tired2, Dec-31-69 06:00 PM
Can you check the link for your log? I can't get it...
Also, it seems strange to me that the motor does not change when removing a spark plug wire... it should change.
You can always pull a plug and pull fuse for your fuel injectors, then check spark on all plugs while cranking (or use test mode on ms).
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