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Old 05-22-2011, 05:44 PM   #1
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Default 2002 silverado 5.3 trouble code p0332 ???

my trucks enginelight is on took it to autozone and the code i got back is
p0332.truck has 170,000 on the clock but runs like new even with the code.what can be causeing this and what can i do to fix it??? any advise wil be helpful....
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Old 05-22-2011, 07:33 PM   #2
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Probably a knock sensor going bad. They are cheap to replace.
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Old 06-02-2011, 04:11 AM   #3
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did you wash or degrease your engine recently?
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Old 06-03-2011, 04:08 PM   #4
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See if it's still plugged up or a wire gone bad.
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Old 06-03-2011, 06:34 PM   #5
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Knock sensor number 2. I believe thats the rear one. You have to pull the intake manifold off and check them. They usually get water In there and they rust and go bad... search the site there is a thread about how to fix it.
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Old 06-04-2011, 03:36 AM   #6
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this is such an exhausted subject, but heres my 2 pennies

If ya got a lot of excess water on your motor it will gather on the valley cover where the sensors are located and short them out. Knock sensors are nothing more than microphones listening for detonation and adjust timing as necessary...blah

Anything worth doing is worth doing right, right? so replace both sensors and harness, you"ll need intake manifold gaskets too. To fix it, without being patient, will cost you around $200.

It took a month before my sensors started to work again, dont know what your situation is, but more info would be nice.

My LS1 has over 270K on it, knock sensors are still good to go, just sayin...
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Old 06-04-2011, 03:36 AM
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