2001 Subaru Forester knock sensor

2001 SUBARU FORESTER
209,000 MILES • 4 CYL • AWD • AUTOMATIC
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MIDNIGHTFLUFFY
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  • 1 POST
Is the knock sensor supposed to have direct current all the time, or when engine is on?
Sep 27, 2009 at 10:31 AM
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CRZYDRVR
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  • 432 POSTS
There should be about 5v for reference when KOEO. If you are getting a code for the knock sensor, replace it. This is very common for Subaru
Oct 5, 2009 at 2:34 AM