location of anti knock sensor on 1998 Subaru Legacy

Hi, facing the engine, where is the anti knock sensor located on the 2.5 liter? Also, is there a way to test?measure resistance, etc? Thanks, in advance. Jon G

by in Hartford, CT on April 19, 2009
1 answer 2 comments
ANSWER by on April 19, 2009
The knock sensor is under the intake manifold right in the middle of the top of the engine. it is black about one inch in diameter about 7/16 of an inch high with a two wire black connector on it. The knock sensor is a piezo cell that generates a voltage when it detects a knock it is tested using a oscilloscope and looking at a patten. Common Subaru fault code.
COMMENT by on July 29, 2010
thank u
COMMENT by on October 16, 2010
do you know where it is in a 97 honda civic

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