knock sensor

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CT9A
Posts: 52
Joined: Thu Mar 07, 2013 11:55 pm

knock sensor

Post by CT9A » Mon Mar 25, 2013 5:28 pm

Will the factory sensor work, or is the Bosch aftermarket sensor recommended?

CT9A
Posts: 52
Joined: Thu Mar 07, 2013 11:55 pm

Re: knock sensor

Post by CT9A » Fri Aug 29, 2014 1:49 pm

The factory sensor is of the second harmonic tuned type. I think subaru's from 2001 also uses this. What are the experiences with the stock sensor compared to the aftermarket?

pavlo
Zen Performance
Posts: 406
Joined: Mon Aug 04, 2008 9:18 am

Re: knock sensor

Post by pavlo » Sat Aug 30, 2014 5:34 pm

I have found the factory sensor to actually be pretty good. Although it may be tuned to the second harmonic I've still generally have the best success with the ECU listening at the first.

I have only every had to move one car onto the second harmonic as it was picking up some strange noise on the first, i've also tried it on other cars before and not had success with it.

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