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05 cbr600rr loses power at certain rpms

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05 cbr600rr loses power at certain rpms

  #11  
Old 02-24-2019, 07:23 AM
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Found a video to show the firing
 
  #12  
Old 02-24-2019, 07:34 AM
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Wow thank you. So would I see if one or more injector is firing less than the others. Or also one that is not firing at all. ?
 
  #13  
Old 02-24-2019, 07:51 AM
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Yes you should it comes out with quite a force, if al are firing , it will have to be somewhere else even the fuel pump
 
  #14  
Old 02-24-2019, 08:03 AM
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Thanks a lot. I will check that out and get back to you. I appreciate it
 
  #15  
Old 02-24-2019, 06:26 PM
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Seem fine to me. I took the air box off and did exactly what that video you showed me did and look just fine. I took a video of it to show you but canít seem to upload it here.
 

Last edited by rjlattuca; 02-24-2019 at 06:29 PM.
  #16  
Old 02-24-2019, 11:18 PM
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Hi , you could try a Fuel flow inspection page 6-57 of your manual , that should tell you if your getting the correct amount of fuel through in a given time, should point to Pump or clogged fuel lines if not,
 
  #17  
Old 02-25-2019, 06:33 AM
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Have you ever checked/adjusted your valves? At 35k, it should have been done twice already. Tight valves can cause random misfires and risk valve burning.
 
  #18  
Old 03-11-2019, 09:51 PM
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Ok so an update is due. I started doing some research and I decided to check to see if there were any codes. Y I didnít think of that befor is beyond me. So I located the service port under he seat and jumped the brown and green wire and turned the key and my mil light started blinking after watching very closely I wrote down the codes and it was.......

2 blinks- 7 blinks- 9 blinks- 16 blinks- and 49 blinks

which was a malfunction of IAT sensor. ECT sensor. MAP sensor and secondary injectors 1 and 4.

So I got my meter out and considering Iím an electrician I figured WTH i can figure this out. Thinking that there no way that all of these components were bad all at once tells me that there might be a grounding or connection problem. So I downloaded the entire service manual for my bike and went to town. Check continuity of every sensor. Voltage on the harness side. Resistance of the sensors. Everything just fine until I found a wire from my map sensor I couldnít get a reading from. Traces it to the ECU and wala found a loose pin. Fixed it cleared the codes and now itís fine. Crazy!!
 
  #19  
Old 03-12-2019, 12:33 AM
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Well done ,
 
  #20  
Old 03-15-2019, 04:21 PM
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Originally Posted by rjlattuca View Post
Ok so an update is due. I started doing some research and I decided to check to see if there were any codes. Y I didnít think of that befor is beyond me. So I located the service port under he seat and jumped the brown and green wire and turned the key and my mil light started blinking after watching very closely I wrote down the codes and it was.......

2 blinks- 7 blinks- 9 blinks- 16 blinks- and 49 blinks

which was a malfunction of IAT sensor. ECT sensor. MAP sensor and secondary injectors 1 and 4.

So I got my meter out and considering Iím an electrician I figured WTH i can figure this out. Thinking that there no way that all of these components were bad all at once tells me that there might be a grounding or connection problem. So I downloaded the entire service manual for my bike and went to town. Check continuity of every sensor. Voltage on the harness side. Resistance of the sensors. Everything just fine until I found a wire from my map sensor I couldnít get a reading from. Traces it to the ECU and wala found a loose pin. Fixed it cleared the codes and now itís fine. Crazy!!
itís always something minor, itís just finding it.
 
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