Question about 2004 Chevrolet Silverado 1500 Crew Cab
How do you change knock sensor
The 4.8, 5.3, 6.0 require removal of intake manifold. There is (2) two sensors in the valley that are notorious for corroding. Hope this helps.
Posted on Feb 01, 2009
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Posted on Jan 02, 2017
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P0325 OBD-II Trouble Code
Technical Description: Knock Sensor Circuit Malfunction
What does that mean?A knock sensor tells the engine computer when one or more of your engine's cylinders are "knocking", that is, exploding the air/fuel mixture in a way that delivers less power and can be damaging to the engine if prolonged. The computer uses this information to tune the engine so that it doesn't knock. If your knock sensor wasn't operating properly, so that it was always indicating a knock, the engine computer's response may have been to change the ignition timing on your engine. Knock sensors generally bolt into or thread into the engine block. This P0325 code may show up intermittently or the Service Engine light may be lit constantly. Other knock sensor related DTC codes include P0330.
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