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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Sensor Location

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Old Jun 23, 2014 | 06:08 PM
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I have a 97 lariat 4.6 and finishing up a motor swap due to slung rod. There is a wire coming straight out of top center of the block under the intake with a plug on the end. Where does it plug in at? Thanks
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Old Jun 23, 2014 | 06:12 PM
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98 F150 5.4L E40D/4R100
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Into the harness that runs across the back of the motor over the bulkhead. There's only one sensor in the block cavity and that's the knock sensor. Yea, you need that one lol.
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Old Jun 23, 2014 | 06:23 PM
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Thanks so much man!
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Old Jun 23, 2014 | 08:38 PM
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Depending on model. CHT is under the intake too.. But its obviously connected to the head.
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Old Jun 23, 2014 | 10:34 PM
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It was the knock sensor. I had already connected CHT
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