Question about 2004 Chevrolet Silverado 2500HD

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Where is knock sensor located on 2004 chevy 2500HD 6.0?

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Under intake manifold on top of block,you need to remove intake to access sensors there are two of them you can't miss them when intake is off. After replacing sensors you need a new intake gasket.

Posted on Apr 04, 2010

  • Ryan McAvoy
    Ryan McAvoy Jan 23, 2019

    thanks is there a diagram i can download

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Posted on Jan 02, 2017

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Knock sensor location on 2002 chevy 6.0 gas engine


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Where are the knock sensors located on a 2002 chevy silverado 2500hd 6.0 engine?


Knock sensors as a rule of thumb are positioned right beside a piston on the the block. It should be on the opposite side of the exhaust system. A knock sensor is actually a sensitive microphone or listening device. It listens to a piston performance under load. If it hears a knocking or pinging sound it will ****** the ignition timing and advance it again when condition changes. It would have a securing bolt in the middle which torqued to a certain spec and a single wire harness.

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1 Answer

Were is the knock sensor on a chevy 2500 6.0


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1 Answer

Where is the knock sensor located


if I remember correctly, its behind the transmission.
your local chevy dealership parts department can answer this. just tell them you want to buy the sensor and ask them for the parts diagram, this is show you the location.

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2004 chevy 2500 hd 6.0 ltr gas engine 4x4


No and No...And it's the "MAS". "Unhooking" the MAS will place your ECM in the "limp back" mode...in other words it will run like ****.
Did you try the O2 sensors (3)? These are notorious for failing. Try a cheap fix...Buy a can of "SeaFoam" at Advance Auto Parts ($9) and add to your tank per instructions.
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Jun 27, 2009 | 2004 Chevrolet Silverado 2500HD

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