Question about 2000 GMC New Sierra 1500

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1992 chevy 1500 5.7 missing wire to knock sensor

What wire goes to the knock sensor on my 92 1500 350?

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Posted on Jan 02, 2017

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SOURCE: where is the knock sensor located on 1992 chevy 5.7 liter engine

it is on the side of the engine block next to the starter

Posted on Jul 01, 2012

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SOURCE: where's the knock sensors on a 2007 gmc serria 1500 5.3L

under the intake plentium right in the middle of the valley between the heads. bad for wires getting corroded and rusted. it holds water in the knock sensor holes, you can buy the harness

Posted on Mar 08, 2013

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1 Answer

01 GMC 1500 v8 z71 ...missing & not shifting on


The transmission has been electronically controlled for several years.
The miss could cause the knock sensor to set a code, but the sensor will not cause the miss. The knock sensor signals the computer and the computer tries to cut back on ignition timing to stop the knock. The sensor can set a code if it is a spark knock or something mechanical.

Aug 27, 2013 | Cars & Trucks

1 Answer

Where is the knock sensor located on 1992 chevy 5.7 liter engine


it is on the side of the engine block next to the starter

Jun 30, 2012 | 2000 GMC New Sierra 1500

1 Answer

A sensor fell apart when i was changing the starter on my 1994 5.7 chevy 1500 2wd and its connected with all the wiring for the starter which sensor would this be? knock sensor? and if so how important are...


I think your on the right track. It is the knock sensor. This is a very important sensor. It adjusts your timing. there is a hex head that you can put a wrench on to remove the sensor. It just unscrews out of the block and the new one goes in its place. Its way easier than replacing the starter.
Feel free to ask me questions any time. I like sharing my experience with others.
Good luck and God Bless

Jun 07, 2011 | 1994 Chevrolet K1500

3 Answers

I have a 99 chevy 1500 4x4 5.3 l got code po 332 put new ones in same code saws low voilts


This condition may be the result of corrosion of the rear bank knock sensor due to water intrusion into the sensor cavity. This condition is more apparent on vehicles in which customers frequently wash the engine compartment. Replace the rear bank knock sensor and build a dam (wall) around the sensor using RTV to divert water away from the sensor. Also, check for corrosion on the connector plug. Visually inspect the wiring going to the Rear Bank Knock Sensor for damage. After you have replaced the sensor, and checked for damages, have the code reset and see if it comes back.

Mar 10, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

2000 chevy silverado 5.3, skips a little between 50-55mph, plugs and wires were changed. scanner shows bad knock sensor #2. will changing this correct the problem?


it should but recheck ur wires and plugs first a bad plug or wire can cause a knock ping problem and set off sensor also check the knock sensor connections at rear of engine----- the knock sensors for the 8 cyl are located under the intake manifold so its labor intensive to replace the sensor

Aug 22, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

How to replace the knock sensor on a 1999 chevy silverado 1500


The knock sensor is llocated on the left side of the engine block and is a single wire connector. Disconnect the wire and simply unscrew the sensor. Don't worry. There will be no fluid leaking. No tricks.

Mar 25, 2010 | 1999 Chevrolet Silverado 1500

2 Answers

Have a 2004 Chevy Silverado need some help. Where is the knock sensor located?


There are two knock sensors on your engine, and they are underneath the intake manifold. You will have to remove the intake to get to the sensors.

Nov 10, 2009 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

Knock engine sensor light on truck is hesitating/


Did they replace the knock sensor?Check the wire going to the sensor(knock).Look for a bare place hiting up against something ,grounding it out.Make sure the plug to knock sensor is good.And make sure it is making a good connection,Knock sensors also ground a part of the computer to feed back imformation.This connection is a must,the truck will not perform at all,stumble,miss,and carry on.Sometimes even backfire.If they did not replace the knock sensor,replace it with high quality sensor from NAPA,or oem from dealer.This sensor has to be made perfect,no room for inperfection.The knock sensor is easy to replace,they just screw in a hole in the block.When removing the sensors,nothing will come out such as oil or water,this is a dry threaded hole.It is a bell shaped sensor.If you don`t know which sensor is bad,purchase one.replace one,and if there is no change,replace the other side with the old sensor you just took out,it will be a good one.I hope this helps you,Let us know if it does.

Oct 05, 2009 | 2000 Chevrolet Silverado 1500

2 Answers

More knock sensor blues


Forgive me for asking, but are you sure you replaced the knock sensors? They are underneath the intake plenum. I'm just wondering if maybe you replaced the Oxygen sensors by accident. Anyway, so that you know, this is a very common problem (the knock sensors). Gm has issued a bulletin, something to do with the rear knock sensor under the intake getting contaminated by water, and they recommend a new sensor installed with silicone around the gasket to protect it. Also, the wiring harness is particularly tasty to rodents and they get in there and eat the insulation and wires! You have to inspect the harness carefully when you have the intake off because you can't see it when it's all together. Seen this twice now.

Mar 08, 2009 | 2002 Chevrolet Silverado 1500

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