Question about 1998 Nissan Altima

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I need to know the exact location of the knock sensor for a 1998 nissan altima. Is there a picture or diagram?

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  • pierdas Nov 11, 2010

    this can help me




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The knock sensor is located under the intake manifold on the passenger side of the engine. It can be accessed from under the vehicle. Look above and to the slight left of the oil filter on the back of the engine.

Sorry, but i dont have any diagram or pic about this.

Hoep helps with this details. Good luck.

Posted on Nov 11, 2010


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knock sensor is located just above the oil filter. you need to get under the car to see it. IAC valve is located on r/h side of engine that one is very hard to desribe as far as its location. its kinda onder the upper intake so you cant really see it. its on the underside of the intake manifold on r/h side on the back of the cylinder head. you should see small green connector going to it. the connector has 2 wires goin to it. you will also see a flat head screwdriver slot, that is for you to put your screwdriver into it to adjust base idle. good luck.

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