Spark issues
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Stage IV
Joined: Aug 2017
Posts: 4
Likes: 0
From: Vermont
Spark issues
2004 Electra Glide/police fuel injected
Got a bit of a problem and some help. A few days ago, I hopped on the bike and hauled *** down to Charleston from Vermont, about 1200 miles. Bike ran like a beast all the way down, quite proud of it. However, after it was parked for 10 hours, it wouldn't start. We believe the problem to be lack of spark. Here's what I know:
-Run switch will engage the fuel pump to prime the engine
-Battery is fully charged, put it on a charger to top it off just in case.
-Fuses all look good
-Wiring harness to ignition coil doesn't appear to be damaged, neither do plug wires
-Ignition coil is brand new, replaced when spark was determined to be issue
-Plugs are brand new and gapped
-Plugs will not fire, checked them against the engine to ground, neither sparks
At this point, I'm down to either I missed a fuse, a bad ground, or the icm has gone bad. But I also just saw something about a crank sensor as a possible culprit. I've gotta get this bike up and running by the end of the week to make the trip back, so I'm wondering if anyone has any ideas on what it could be. Fixing it isn't the issue, it's just finding out what's wrong in the first place and electric was always a weak point for me
Thanks
Got a bit of a problem and some help. A few days ago, I hopped on the bike and hauled *** down to Charleston from Vermont, about 1200 miles. Bike ran like a beast all the way down, quite proud of it. However, after it was parked for 10 hours, it wouldn't start. We believe the problem to be lack of spark. Here's what I know:
-Run switch will engage the fuel pump to prime the engine
-Battery is fully charged, put it on a charger to top it off just in case.
-Fuses all look good
-Wiring harness to ignition coil doesn't appear to be damaged, neither do plug wires
-Ignition coil is brand new, replaced when spark was determined to be issue
-Plugs are brand new and gapped
-Plugs will not fire, checked them against the engine to ground, neither sparks
At this point, I'm down to either I missed a fuse, a bad ground, or the icm has gone bad. But I also just saw something about a crank sensor as a possible culprit. I've gotta get this bike up and running by the end of the week to make the trip back, so I'm wondering if anyone has any ideas on what it could be. Fixing it isn't the issue, it's just finding out what's wrong in the first place and electric was always a weak point for me
Thanks
Last edited by Tmore; Aug 6, 2017 at 11:00 AM. Reason: more details
Thread Starter
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Stage IV
Joined: Aug 2017
Posts: 4
Likes: 0
From: Vermont
Oh, by the fickle automotive gods, I love the engineer that thought to give it a diagnostic mode.
it's giving me three codes, 2 of which are most likely related to me dickering around with it, which are front ignition coil open/rear ignition coil open. The last is "CKP sensor not detected". I'll have to double check, but if that's not present, there will be no spark whatsoever.
it's giving me three codes, 2 of which are most likely related to me dickering around with it, which are front ignition coil open/rear ignition coil open. The last is "CKP sensor not detected". I'll have to double check, but if that's not present, there will be no spark whatsoever.
Thread Starter
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Stage IV
Joined: Aug 2017
Posts: 4
Likes: 0
From: Vermont
So, 64 bucks and an hour and a half later, I have a new sensor and a running bike. Thanks hoss for letting me know that I could retrieve codes on the bike, turns out I just made it for having that diagnostic tool, they started in 04.
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Joined: Jan 2007
Posts: 15,788
Likes: 5,622
From: along the shore of Mishigami
I remember driving around town in a Pickup with known stumbling or no starts, we ran a tattle tale on the OBD and that lead us to a crank position sensor also. Glad you got back on the road fairly quickly and hopefully you enjoyed your ride home.
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