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04-09-2008, 05:07 PM
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#1 | |
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AF Newbie
 Join Date: Aug 2005
Location: London
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Knock sensor bad?
I have a 2000 GA SE with a 2.4 and 160k miles. I was looking in a repair manual and I did not know anything about a knock sensor. I am wondering if maybe it ain't bad because when the car is under load(A/C, heat, ect) the engine makes a noticeable knocking sound. Is this a normal sound for these Quad 4's or could the sensor be bad?
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04-10-2008, 12:15 AM
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#2 | |
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out saving the world
 
Join Date: Jul 2005
Location: Yourtown, Indiana
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Re: Knock sensor bad?
YOu would need to have it scanned to find out if the sensors bad.
Your knocking could be something else..... 
__________________
1999 Grand Am SS 3.4 OHV 
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04-10-2008, 02:06 PM
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#3 | |
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AF Newbie
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Re: Knock sensor bad?
if it wasn't working would it throw a check engine light?
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04-10-2008, 04:04 PM
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#4 | |
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out saving the world
Join Date: Jul 2005
Location: Yourtown, Indiana
Posts: 10,707
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Re: Knock sensor bad?
Not always. If was working within the threshold of the sensro perameters it might not, if was totaly broken or has a bad circuit then it would throw a DTC.
Though, if its pounding/knocking like a hammer beating your engine block... its probly not the sensor. Go get it scanned !
__________________
1999 Grand Am SS 3.4 OHV
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