2001 S-10 4.3 Knock Sensor Location? - S-10 Forum
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2001 S-10 4.3 Knock Sensor Location?

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Old 10-15-2010, 10:16 AM   #1
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2001 S-10 4.3 Knock Sensor Location?

Where is the Knock Sensor on my 2001 Chevy S-10 4.3?

I am getting an intermitten, yet re-occurring P0327 Knock Sensor Low Input code, & would like to inspect the circuit wiring & sensor.

Any additional insight or input relating to this issue would also be appreciated. Thanks in advance for your reply.
Old 10-15-2010, 10:28 AM   #2
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Re: 2001 S-10 4.3 Knock Sensor Location?

back of the block behind the head on the drivers side.
Old 10-15-2010, 10:53 AM   #3
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Re: 2001 S-10 4.3 Knock Sensor Location?

How the heck do you get back in there?

I found a 2 wire connector from the harness hanging loose (1 Blue & 1 Gray wire) at the back of the engine, but still haven't seen the Knock Sensor or its' pigtail. I suspect I'm not plugged in.

Any other tips or tricks to finding or locating it?
Old 10-15-2010, 10:06 PM   #4
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Re: 2001 S-10 4.3 Knock Sensor Location?

some small hands and a light.. theres no good way of getting to it, just start digging. ive ripped alot of my stuff out of my engine compartment so its not as bad for me.
Old 10-16-2010, 08:26 AM   #5
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Re: 2001 S-10 4.3 Knock Sensor Location?

Still didn't see it, but while I was poking around, I discovered my distibutor cap only had (1) screw in it & was loose. I installed a second screw to secure it & now I wonder if this could have been the problem in the first place.
Old 10-16-2010, 09:11 PM   #6
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Re: 2001 S-10 4.3 Knock Sensor Location?

do you know what it looks like? yours is black, look one up on a parts website.
Old 10-16-2010, 09:42 PM   #7
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Re: 2001 S-10 4.3 Knock Sensor Location?

Just took this of the one i pulled from my 4.3

Old 10-16-2010, 10:21 PM   #8
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Re: 2001 S-10 4.3 Knock Sensor Location?

^that works too. these are 01+ 2 wire knock sensors too guys.
any 4.3 2000 and older will have a one wire knock sensor thats completely different looking.
Old 01-26-2012, 03:36 PM   #9
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Re: 2001 S-10 4.3 Knock Sensor Location?

on a 2000 s10 v6 where would be?
by the the engine is a 99 from a blazer if that make any diff...
Old 01-26-2012, 05:14 PM   #10
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Re: 2001 S-10 4.3 Knock Sensor Location?

same place as the 01-ups.
behind the driver side cylinder head.
VERY difficult to get at...
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