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2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 11-04-2010
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Please HELP!! what is this

I just purchased this 2001 ranver 3.0 V6. This was sitting on top of the EGR pipe, melted. What is it and where is it supposed to go? Thanks a lot.
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Old 11-04-2010
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that is the knock sensor, it bolts to the back of one of the heads i beleive
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Old 11-05-2010
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Affirmative - knock sensor.

The drawing in my 2002 factory Shop Manual is not that clear but it looks like the KS for that year should be bolted to the side of the 3.0 block. However, the 2001 Ranger Wiring Manual shows no knock sensor at all on the 3.0 Ranger and a quick Google search seems to support that. Research! 3.0L owners with Knock Sensors!!

I'm not sure what this all means but you could have a truck with a non-original engine and/or non-original harness.
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Old 11-09-2010
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Yes, I have an '01 with a 3.0L and it doesn't have that sensor on it.
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