Knock sensor question

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pinko

Well-known member

Premium Member

• Nov 25, 2013

• #1

I just put a rkt 925 and jaws pipe in my '13 pc. I'm having issues with the det sensor. It flashes ecu 21 even at an idle and it's going into limp mode. It has good fuel. Changed out sensor with another one and no change. Now the coolant hose on top of the head was touching the sensor. Is it that sensitive that that could set it off? I moved it but ran out of time to try it out.

 

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fast8seccamaro

Well-known member

• Nov 25, 2013

• #2

I think that sensor has to go in dry with no lube or sealant and torqued to the right spec with the aluminum washer on it! If all that looks good, I'm out of ideas!

 

Rixster

Well-known member

Premium Member

• Nov 25, 2013

• #3

What is the right spec?

 

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fast8seccamaro

Well-known member

• Nov 25, 2013

• #4

Quick search says 17ft/lbs which sounds about right!

 

m8magicandmystery

Well-known member

Lifetime Membership

• Nov 25, 2013

• #5

pinko said:

I just put a rkt 925 and jaws pipe in my '13 pc. I'm having issues with the det sensor. It flashes ecu 21 even at an idle and it's going into limp mode. It has good fuel. Changed out sensor with another one and no change. Now the coolant hose on top of the head was touching the sensor. Is it that sensitive that that could set it off? I moved it but ran out of time to try it out.

Click to expand...

read daltechsand acscooters posts in this short thread..

http://www.snowest.com/forum/showthread.php?p=3453802#post3453802

 

Last edited: Nov 25, 2013

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Suzzy-Q

Well-known member

Lifetime Membership

• Nov 26, 2013

• #6

Check wire continuity between sensor and ecu or messed up pins in the connector