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Where is knock sensor on 2004 chevy optra

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  • Chevrolet Master
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Knock Sensor
On the lower right side of the engine block, near the compressor

Posted on Jan 23, 2019

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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old marine
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SOURCE: 2004 chevy optra belt

Here is AutoZone's manual page showing the routing.

Posted on Jan 12, 2009

messstat
  • 365 Answers

SOURCE: 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.
Good Luck

Posted on Jun 28, 2009

hansola
  • 279 Answers

SOURCE: Have a 2004 Chevy Silverado need some help. Where

95% sure manufacturers place the knock sensor on the intake manifold-it's where the knocking happens-(fuel/air mixing). Mine was on the driver's side of the intake manifold between ports for cyls 4 & 6. Just below the fuel rail- two wire sensor.

Hope this helps!

Posted on Nov 10, 2009

alicantecoli
  • 22484 Answers

SOURCE: location of knock sensor on 2004 chevy tahoe

got to be behind the front bumper ?? where try looking on the passenger side first

Posted on Dec 24, 2009

  • 212 Answers

SOURCE: where is knock sensor located on 2004 chevy 2500Hd

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

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