No Spark
Grand HDF Member
Joined: Jan 2012
Posts: 4,445
Likes: 2,817
From: Oklahoma
A couple of points. You had yourself convinced it was a spark problem when it turned out to be fuel after all. A small squirt of gasoline down the intake and then crank will tell you if it is fuel or spark. If the engine fires a couple of times, you have spark, no popping at all and it is lack of spark.
Computers are very sensitive to poor connections. You might try re-installing your add on gadget and see if renewing the contacts in the plugs has fixed the problem. Vibration, moisture, or never having the plugs fully seated may have caused this problem and there is nothing wrong within the computers.
Your bike runs without the gadget, why not send it in for a thorough check? You won't be 3 weeks without your bike.
Computers are very sensitive to poor connections. You might try re-installing your add on gadget and see if renewing the contacts in the plugs has fixed the problem. Vibration, moisture, or never having the plugs fully seated may have caused this problem and there is nothing wrong within the computers.
Your bike runs without the gadget, why not send it in for a thorough check? You won't be 3 weeks without your bike.
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Cruiser
Joined: May 2008
Posts: 125
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From:
There is something to do with the power commander that will not let it spark. I did try the squirt of gas early on and it didn't do anything. It is really a weird thing. I am thinking it is something in the wire loom of the PC5 that is causing the problem. There are not any visible issues on the mesh covering but I have had it on and off multiple times. Updated the firmware. Went through some diagnostics with Dynojet. The whole nine. Still the same though, with the power commander there is no spark but when I just plug it into the ECU it literally fires right up. It barley has to crank. Dynojet thought it was the battery. It is new from last year but I took it in and had it load tested and there is no issue with it either. I have a PCIII usb coming so I guess I will find out soon. Since it was out of warranty it was going to cost 25 to have it looked at and then whatever it would have costed to repair it. They said it takes them 10 days to even look at it after it gets there, then repair, then to send it back. They gave me the 3 week time frame and I just didn't want to wait.
Last edited by parrothead306; Apr 19, 2015 at 08:51 AM.
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Cruiser
Joined: May 2008
Posts: 125
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I got a replacement pcIII usb loaded my map and it fired right up. No issues and I am happy to say next day it is nice I can get back out. Still not sure why the pc5 died over the winter but it definitely the culprit of my no spark issue
Stage I
Joined: Oct 2008
Posts: 1
Likes: 0
From: Georgia
PC problem
I have been on the phone with dynojet trying to trouble shoot my power commander and they think it is my battery. Now this is a brand new battery fully charged new from lat year. The bike fires right up when the power commander is not on it. Then they were telling me to RMA it that the turn around is over three weeks to look at it. So now I am thinking the guy doesn't know what the hell he is talking about. I am going to get the battery tested to rule it out. Does anyone have a recommendation for a different EFI tuner. Kind of annoyed with Dynojet right now.
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