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what happens when a knock sensor fails what happens when a knock sensor fails
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  #1  
Old 22-10-2007, 08:25 PM
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Default what happens when a knock sensor fails
hey, just wondering what happens when a knock sensor fails (HSV 180kw motor).
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Old 22-10-2007, 08:37 PM
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Engine can ping.

But I guess you mean does any alarm go off or get a code report in the ECU?
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Old 22-10-2007, 08:42 PM
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yeah, does it let you know?
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Old 22-10-2007, 08:43 PM
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Top question!
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Old 31-10-2007, 10:40 AM
 

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engine management light will come on and stay on.

You will recieve an error code 43

also your timing will be slighty retarted to avoid anydamage.The ecu does this when it senses knock sensor fail.
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Old 31-10-2007, 06:02 PM
 

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if the engine doesn't realise the knock sensor has failed, and your engine is running OK and doesn't knock, it will have no effect i'd say.
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Old 31-10-2007, 10:22 PM
 

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why do you ask?
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