PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Knock Sensor low voltage

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Old Aug 30, 2005 | 03:45 PM
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ORANGE JUICE1's Avatar
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Default Knock Sensor low voltage

I am getting a code "knock sensor bank 2 low voltage" I assume that one of my knock sensors needs to be replaced. Will this have any affect on tuning the car. I really don't want to have to pull off the intake at this time.
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Old Aug 31, 2005 | 10:03 AM
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You need to replace the knock sensor.

If the knock sensor fails you will be cursed to a lower timing until it is replaced. It will dramatically effect tuning, unless the tuner is savy enough to turn off the KR detection during the session.
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Old Aug 31, 2005 | 12:55 PM
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It may not be due to an actual sensor failure but could be a pinch/break in the wiring harness. I had to replace my wiring because I pinched it when I did the LS6 intake installation.
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