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Was hoping someone could tell what the plug in the picture is....during my tear down, I noticed this thing was completely covered in oil and grease and one of the wires has been broken for who knows how long. I need to replace it but not sure what it is.

If it's hard to tell where it is in this picture, the hole just above the plug is where the starter goes, and this plug goes into the side of the engine block.

Thanks!

thats your knock sensor. it tell the computer when it's pingging.

drofman wrote:thats your knock sensor. it tell the computer when it's pingging.

We have a winner!!!!!!!!!!!!

awesome. thanks for the info!