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| S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15. |
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06-21-2012, 03:34 AM
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Zilvia Member
 
Join Date: Oct 2010
Location: Houston Texas
Age: 40
Posts: 157
Trader Rating: (0)
 Feedback Score: 0 reviews
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Knock sensor bypass how to:
I've seen a lot of bad knock sensors lately. Here you go.
I just tested my knock sensor today and found it to br dead. No resistance at all. I pulled a code for a bad knock sensor. My car wasn't pulling hard before 5K rpm. The new one is $200 and a pain in the ass to change, so i decided to bypass it. The ECU sends the sensor 5VDC and returnes 2.5VDC. So you need about .56M ohm or 560k ohm. I went to radioshack and bought a pack of 100k and a pack of 47 k resistors. i wired 5x100k and 1x47k in series and 2x47k in parellel and that gave me exactly 560k ohm. I then disconnected the harness and plugged the resistor pack into the ecu side harness. I reset the ecu and went for a drive. With a 3degree timing bump and this delete, my car pulls hard and smooth. I only run premium gas so I don't think detonation will be an issue. Ka24,ka24de,ka24de knock sensor delete, ka knock sensor delete,
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