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Tom Henderson
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1,237 Posts
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My car was throwing out engine code 55 which is the rear knock sensor. I took off my whole intake manifold and found that the wire was missing from the sensor. I couldnt find the wire connecting to it so i decied to splice into the front knock sensor. I thought it was fixed but the light comes on once in awhile. If anyone knows where the wire is suppose to run from the rear knock sensor please help. I am trying to figure out if it runs its own wire into the ecu..thx for the help..
 
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