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Thread: knock sensor resistor removal
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05-14-2006, 07:21 AM #1
knock sensor resistor removal
Hey guys I just heard about the knock sensor resistor removal. I just put in a new RR ECU and the check engine light comes on. Could this be the problem? The motor runs fine. All I did was put the new ECU in and did not do the removal. Do I need to?
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05-14-2006, 07:44 AM #2
- Join Date
- Jul 2005
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- Powhatan, VA
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If you have the RR stock ECU, no. If you have the RR race ECU, Yes.
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05-14-2006, 08:09 AM #3
RR Unit
How can I tell? It says Rotax Racing on it.
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05-14-2006, 08:20 AM #4
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- Jul 2005
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- Powhatan, VA
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Where did you buy it ? Look at your invoice. It is either a 4501 or 4502 unit.
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05-14-2006, 09:36 AM #5
Knock Sensor
I have a 4501 ECU. Do I need to the resistor wire mod?
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05-14-2006, 10:34 AM #6
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- Jul 2005
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You have the RR race ECU. You need to remove it. What year ski?
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05-14-2006, 10:37 AM #7
sensor
Hey guys I do have the 4501 EMU but if I ran it without the sensor mod would that retard the timing? So what I'm getting at do you think there is more left in it? Also I know they say with the stock class ECU you should retard the cam timing for more performance. Should I do this with the racing ECU? Will I see a difference in the power or speed by doing this?
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05-14-2006, 10:38 AM #8
what year
It's a 2005 but it's a boat but I can't see it being any diff.
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05-14-2006, 10:42 AM #9
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- Jul 2005
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- Powhatan, VA
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The 04 had knock sensor updates that are just a plug in wire harness. All I had to do was unplug and remove my knock sensor update. Yours will be a different process and I know somewhere Shibby has posted the procedure.
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05-14-2006, 10:47 AM #10
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- Jul 2005
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- Powhatan, VA
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Posted: Thu Apr 13, 2006 7:24 pm Post subject:
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