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Knock Sensor 4.3 Blazer Code 43tomminajar 07-13-2004, 12:42 AM 93 chevy Blazer 4.3 'W' I keep getting Code 43 - I changed the left side Knock sensor - Easy- Now the light doesn't come on as much so I assume if a change the other one it will clear up- Where is the second Knock sensor ? I belive it's behind the right cylinder head - What do you have to do to see it/get at it ? Any ideas - I imagine the thing is gonna be stuck - Thanks:smile: tomminajar 07-17-2004, 03:26 PM Nobody has ever taken one out ? :screwy: Automotive Network, Inc., Copyright ©2012
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