CBR 954RR 2002 - 2003 - CBR 954RR Forum

02 900/954 crank no start issues

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Old Jun 14, 2018 | 02:36 AM
  #11  
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Hi just to make it clear in my mind, you have spark ,air , fuel, what do the plugs look like, and the red light on the instrument panel is it the Fi light or the oil light, a steady Fi light points to the ECU, can you run the procedure to erase faults and then see if it sets any up ,or have you tried that, can you borrow a pals ECU to test ( I'm assuming your in the USA)
 
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Old Jun 14, 2018 | 02:44 AM
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Yeah I got everything needed to run but it's not idk wtf but No it's the mil light beside the netural light. The fi light goes out once the fuel system is primed, idk if that's okay or not. That's where I am now I feel like compression isn't the issues honestly but I'm going to check it I feel like it is a sensor keeping it for running since it happened randomly. Also have already tried another ECU with the same outcome
 
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Old Jun 14, 2018 | 02:56 AM
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maybe try swapping some relays round, headlight relay with the fuel cut-off relay, maybe isolating usual suspects, what do the spark plugs look like , are the wet, have you tried turning the engine over continuously for 10 seconds at WOT to clear the cylinders, is your headlight harness still connected
 

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Old Jun 14, 2018 | 03:05 AM
  #14  
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Originally Posted by CaBaRet
maybe try swapping some relays round, headlight relay with the fuel cut-off relay, maybe isolating usual suspects, what do the spark plugs look like , are the wet, have you tried turning the engine over continuously for 10 seconds at WOT to clear the cylinders, is your headlight harness still connected
plugs look old but okay was a little wet but nothing to bad. I will try the relays and see. And yes I have cleared the cylinders and nothing changed.
 
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Old Jun 14, 2018 | 05:35 AM
  #15  
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Are the plugs fouled with gas? Can we assume that it's actually gas in the tank and not water or diesel?

It's not going to be a compression issue. If it was, it would sound really different when it's cranking.

According to your findings, you have everything to make it start.
 
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Old Jun 14, 2018 | 08:47 AM
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I'll get some plugs today just for ****s and hits but I think they look good and gas is good
 
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Old Jun 14, 2018 | 09:01 AM
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Originally Posted by 74demon
Are the plugs fouled with gas? Can we assume that it's actually has in the tank and not water or diesel?

It's not going to be a compression issue. If it was, it would sound really different when it's cranking.

According to your findings, you have everything to make it start.
so what else is keeping it for starting tho?
 
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Old Jun 14, 2018 | 09:43 AM
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Does it has a power commander installed?
 
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Old Jun 14, 2018 | 10:03 AM
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Originally Posted by 74demon
Does it has a power commander installed?
yes it does
 
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Old Jun 14, 2018 | 10:09 AM
  #20  
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Maybe try reloading the MAP, or disconnecting it and see what happens.

I've seen them malfunction and cause problems.
 
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