Question about 2003 Chevrolet Silverado 2500HD
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Posted on Jan 02, 2017
These sensors are quiet a problem. They are located under the intake and normally go off because the engine got washed sometimes the water will evaperate and the problem goes away but anymays the intakes gota come off there are 2 of them so i would recomend replacing both while ur at it
Posted on Dec 18, 2008
HAS TWO KNOCK SENSORS they are both under intake in valley of engine. remove intake and will see two black grommets they are under those best to replace both at same time
Posted on Jan 26, 2009
It is usually below the the cylinder head on the passenger side towards the back of the engine. It has a white single mushroom shaped connector.
Posted on Jan 30, 2010
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