Chevy Silverado

Where is a knock sensor on a 01 Chevy silverado 4.8?


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2010-06-20 21:28:34
2010-06-20 21:28:34

on a 99 model there are two of them and its located under the intake. quite a bit of work but not bad.

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That engine has 2 of them and believe it or NOT. they are UNDERNEATH the intake manifold. You will have to remove the intake to even SEE them are to service them.

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Bank 2 is the side of the engine where the #2 spark plug is. On my 99 Silverado it's on the passenger side.

Bank 1 is the drivers side of the engine. #1 o2 sensor will be the first sensor that is in the exhaust pipe that's closest to the exhaust manifold on drivers side head.

Bank 2 would be the passenger side of the engine, so the first O2 sensor threaded into the exhaust leading from bank 2 would be B2 S1.

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there is none. an 01 chevy with a 4.3 has a camshaft sensor and a crankshaft sensor that send critical info to the computer, it then adjusts timing electronically.

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There are 2 of them on that engine and both of them are UNDERNEITH the intake manifold. You can't see them are service them until you remove the intake manifold.

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the knock censors are located under the intake. something you need to know when you change the knock censors you need to-take some high temp silicone and build a levee to make the water flow around the censors that is what makes them go bad also check the harness while you have it down

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