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Thread: Engine misfiring and cutting out.

Created on: 12/31/13 08:10 PM

Replies: 2

mustangdaren


mustangdaren's Gravatar

Location: Hildebran, NC

Joined: 10/22/11

Posts: 73

Engine misfiring and cutting out.
12/31/13 8:10 PM

Ok, here is my issue. This past Spring I was out riding my bike and it ran great. Parked it and it would not crank the next day. It would try but sputter and die like a lack of fuel or timing off. I noticed the voltage was low on the display. Charged the battery and eventually got it to fire up and after a few minutes of rough idle it cleared up. I replaced the battery and cleaned up terminals. Bike has ran great until now. I was out riding again and it was running fine all day. I decided to wind it out under full throttle. When I took off the power dropped out a few times but then seemed to clear up. A few miles from home I felt it drop out again so I hammered the throttle for a short sprint and the bike just died. I tried to restart it and it would not run and sounded aweful trying to fire up. I pushed it across the street to get out of traffic. Opened the tank and checked the fuel level. Tried to start it and it fired up. I limped it home. Checked connections, reseated the PCIII ground. Reseated the ECU connections. Checked the battery. It fired up and idles fine. Took it up the road and it cut out again. I am suspecting something loose sinse it happens when I accelerate the bike rapidly. Any idea to what could move and cause that. I do have a TRE-8 installed. I am still noticing the voltage jumping around some. Static battery shows about 12.4. I start the engine and it goes to 13.1 then shortly to 14.2 but then may drop back down to 12.8-13.1 volts. This issue seems more related to the bikes movement than engine loading, like the sudden jerk from gunning the throttle. That is what I did originally right before parking the bike the first time it happen. I did about a 50ft throttle blast down the driveway. Could a loose pin connection on the TRE-8 have these symtoms?


* Last updated by: mustangdaren on 12/31/2013 @ 8:25 PM *

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mustangdaren


mustangdaren's Gravatar

Location: Hildebran, NC

Joined: 10/22/11

Posts: 73

RE: Engine misfiring and cutting out.
01/01/14 2:08 PM

Hmmm, after reseating ECU connectors and grounds it fired right up and ran fine. Put about 20 miles on it with no issues. Battery voltage staying from 13.7 -14.5 volts

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keith001


keith001's Gravatar

Location: GRAFTON, NSW

Joined: 01/07/13

Posts: 19

RE: Engine misfiring and cutting out.
02/13/14 11:54 AM

Mate it might be fuel problem i had the same thing with mine but not so bad, Mine was not accelerating under load it would rev sitting there on the stands but when i took it for a run it would die when I turned the throttle on e.g. when the eco light went out on the dash. there is a fuel filter in the base of the fuel pump in the tanks which i change and when i did this ran perfect no problem since.

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