Knock Sensor

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01-27-03, 03:10 PM

Lextreme

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Knock Sensor

Anyone know where is the Knock Sensor (KS)is located in 1UZFE engine. My mechanic did s OBDI scan and told me that the KS bad that is why my Traction Control light and Check Engine light is on. Any pictures will be greatly appreciated. I will try to fix it myself. Thanks

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01-28-03, 02:29 PM

Quicn

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Knock Sensors location: Under intake manifold, on top of cylinder block. Knock sensors are normally open. Measure the resistance between knock sensor connector terminal and knock sensor body ( hex portion), if there is continuity: replace the sensor.

Q Nguyen

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01-28-03, 02:40 PM

Lextreme

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Is there a red plug of some sort under the intake? I have an extra engine at home and opened.

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01-29-03, 03:12 PM

Quicn

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Mine is a 94 LS, the plug is grey and the sensor has a blue ring around the top. Sorry. can't post any pic.: don't want to take out my intake manifold.