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Posted:  05 May 2008 03:52	[?]
Registered User Currently Offline Join Date: May 2008	Posts:  8 Reputation: Unranked [?] User Rank: Second Lieutenant
Hi guys-love the forum-great info. k here goes-bought the bike new, and have had all the service done at the proper intervals.About 6 months after I bought her had a weird pop through the airbox,the engine light came on and it shut down- let it cool down for an hour or so and wnt on my way with no problem. Called the local dealer(Deeley HD Vancouver BC)and got it into dealer the next day.They reset the tps and looked for codes but nothing showed up.They said no problem- just ride it. Rode for the remainder of the year and was great.Brought it out last spring and after a couple of months did the same thing but this time allmost lost it on the freeway (70 miles an hour!)very scary.This time called Deeley again and they asked if i could wait almost a month to look at it.Needless to say told them to take a f'ing leap off a short peir.Called the other local dealer (Barnes HD Langley BC)and they told me to bring it in the next morning.cool. They hooked up the comp and did their thing and no codes agian.hmm.The buell tech was baffled- and got on to the official HD tech board and found a related problem with another customer's bike(temp sensor-rear cylinder head)  the sensor thought it was hotter than it really was and it went into skip spark mode(heavy)they replaced it for me free of charge and it has been perfect......until now.... last weekend took the wife for a ride and it did it again..crap... but this time it was violent (skip spark)on off on off blip the throttle and it would go away...got us home finally. If the skip spark has a light and heavy , why would it go into heavy right away and the fan does what it wants when it wants...crazy. Of course the bike is not under warranty now and is really pissin me off.Replaced the temp sensor and disconnected the battery for a couple of hours. When i fired her up the fan cycled (?) and the bike ran really rough and the check engine light comes  on and off . Any ideas  --- any help would be really appreciated.thanx

Posted:  05 May 2008 04:31	[?]
Registered User Currently Offline Join Date: Apr 2008	Posts:  122 Reputation:  3 [?] User Rank: Captain
mine went into the heavy skip spark mode once when i overfilled the gas tank well to be honest it was more of a bog than a skip spark my guess is the fuel tank breather sucked it in .   that is weird what your going thru

Posted:  05 May 2008 04:40   Last Edited By: 05xb9sx	[?]
Registered User Currently Offline Join Date: May 2008	Posts:  8 Reputation: Unranked [?] User Rank: Second Lieutenant
yeah crazy eh! it's like it has a mind of its own

Posted:  05 May 2008 13:03	[?]
Moderator Currently Offline Join Date: Jun 2007	Posts:  2511 Reputation:  38 [?] User Rank: Five-Star General
since it's on & off, there's a big chance it's an electrical issue. it could be a bare wire making contact somewhere.

Posted:  05 May 2008 15:26	[?]
Registered User Currently Offline Join Date: Feb 2007	Posts:  990 Reputation:  8 [?] User Rank: Lieutenant General
My engine light was coming off and on and running really rough.  My freakin positive battery treminal was loose.    Sounds stupid but it baffeled me for a week

Posted:  05 May 2008 22:28	[?]
Registered User Currently Offline Join Date: Apr 2007	Posts:  164 Reputation: Unranked [?] User Rank: Captain
Make sure the temp sensor stays plugged in all the way

Posted:  06 May 2008 05:27	[?]
Registered User Currently Offline Join Date: May 2008	Posts:  8 Reputation: Unranked [?] User Rank: Second Lieutenant
Thanks for the replies guy's. Have almost stripped the bike down to the frame-lol. Found a couple wires that were a little worn but not through the casing. Did check the battery connections -had a problem with that before.. Could the ecm be to blame?  Thinkin that's my next step.

Posted:  06 May 2008 08:41	[?]
Moderator Currently Offline Join Date: Jun 2007	Posts:  2511 Reputation:  38 [?] User Rank: Five-Star General
if could, but this is hard to diagnose online

Posted:  06 May 2008 09:18	[?]
Registered User Currently Offline Join Date: May 2008	Posts:  8 Reputation: Unranked [?] User Rank: Second Lieutenant
True dat it's going to hd dealer end of the week.Keeping my fingers crossed that it's something simple. Just a thought-buddy and i were talking about this over a couple beers and he suggested changing the plugs-could be bad reading at O2 sensor due to the plug maybe being bad.hmmmmmmm will let you guys know

Posted:  06 May 2008 13:53	[?]
Moderator Currently Offline Join Date: Jun 2007	Posts:  2511 Reputation:  38 [?] User Rank: Five-Star General
well, if you're changing that, put the ngk iridium ones in...not the originals.

Posted:  06 May 2008 17:57	[?]
Registered User Currently Offline Join Date: May 2008	Posts:  8 Reputation: Unranked [?] User Rank: Second Lieutenant
Got a part number for those?

Posted:  06 May 2008 20:18	[?]
Registered User Currently Offline Join Date: May 2008	Posts:  8 Reputation: Unranked [?] User Rank: Second Lieutenant
These the ones  NGK Iridium DCPR7EIX  0.04 gap?

Posted:  06 May 2008 22:13	[?]
Moderator Currently Offline Join Date: Jun 2007	Posts:  2511 Reputation:  38 [?] User Rank: Five-Star General
ngk parts finder

Posted:  03 Jun 2008 09:16	[?]
Registered User Currently Offline Join Date: May 2008	Posts:  8 Reputation: Unranked [?] User Rank: Second Lieutenant
They finally diagnosed the problem-took them long enough. The ecm was the culprit.They said it was weird it was actually running- completely fried.The tech took the bike home with him and it finally did it to him on the way to work- got a blip of the  engine light and got a fresh code to look up and it was the ecm.The best part of this is they are gonna wave the code reading and diagnostics charges because it falls under the extended warranty.NICE Thanks again for all the replies-

Posted:  03 Jun 2008 12:13	[?]
Moderator Currently Offline Join Date: Jun 2007	Posts:  2511 Reputation:  38 [?] User Rank: Five-Star General
good thing it's solved

Posted:  30 Jun 2008 20:23	[?]
Registered User Currently Offline Join Date: Apr 2008	Posts:  6 Reputation:  1 [?] User Rank: Second Lieutenant
I had simular problem:remove seat start wiggly the two wires that run down the right side mostly around the plug they run to the fuel pump do this bike running when I found the right spot the bike would drop dead.Now this was a xb12ss not shur about the differances under the seat

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