Question about 1996 Chevrolet Cavalier

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I dont want a functional check eninge light there is a not a knock sensor or harness how just I get the light off?

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  • Chevrolet Master
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The CEL light stays on until the fault that caused the powertrain control module to turn it on is corrected, this can be any of about 100 problems.

Posted on Feb 13, 2012

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Posted on Jan 02, 2017

localwonder
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SOURCE: KNOCK SENSOR KEEP GOING OUT

Make sure you are not over torquing it. if you screw it in to much, it will give false readings and if it is not screwed in enough, it will also give false readings.

There's a delicate balance to be known and, if this sensor is over torqued or, not torqued enough, it will malfunction.

Posted on May 24, 2009

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Knock sensor for 2007 Saturn outlook. I can't pass emissions test!


Check engine light on ? What code ? There are many different (DTC'S) - diagnostic trouble codes that can set for knock sensors ! There all don't mean that you replace the sensor .
DTC P0324: Knock Sensor (KS) Module Performance
DTC P0325: Knock Sensor (KS) Circuit Bank 1
DTC P0326: Knock Sensor (KS) Performance
DTC P0327: Knock Sensor (KS) Circuit Low Bank 1
DTC P0328: Knock Sensor (KS) Circuit High Bank 1
DTC P0330: Knock Sensor (KS) Circuit Bank 2
DTC P0332: Knock Sensor (KS) Circuit Low Bank 2
DTC P0333: Knock Sensor (KS) Circuit High Bank 2

The knock sensor (KS) system enables the control module to control the ignition timing for the best possible performance while protecting the engine from potentially damaging levels of detonation. The sensors are located below each cylinder head on the engine block. The KS produces an AC voltage signal that varies depending on the vibration level during engine operation. The control module adjusts the spark timing based on the amplitude and the frequency of the KS signal. The control module receives the KS signal through 2 isolated signal circuits. The control module learns a minimum KS noise level at idle and uses calibrated values for the rest of the RPM range. The control module should monitor a normal KS signal within the noise channel.
Knock Sensor Replacement - Bank 1
Remove the exhaust manifold lower heat shield. Refer to Exhaust Manifold Lower Heat Shield Replacement.
Disconnect the engine wiring harness electrical connector (1) from the bank 1 knock sensor (2).
Loosen the knock sensor bolt and remove the knock sensor.
Knock Sensor Replacement - Bank 2
Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
Remove the engine oil filter. Refer to Engine Oil and Oil Filter Replacement .
Lower the vehicle.
Disconnect the engine wiring harness electrical connector (2) from the bank 2 knock sensor (3).
Loosen the knock sensor bolt and remove the knock sensor.

Nov 12, 2016 | Saturn Cars & Trucks

1 Answer

I replaced my knock sensor but my check engine light came back on what else can I check. The. Code still says it's my knock sensor


What type of. vehicle? The knock sensor may be functioning properly and is picking up a knock from the vehicles engine. Sometimes a low grade of fuel can cause the engine to ping resulting in a knock sensor code. Is there any abnormal noises being produced from the engine or bolt on accessories?

Apr 05, 2015 | Cars & Trucks

3 Answers

Check engine for knock sensor lighting up it says short/low bank 1


Check the wiring harnesses for bare or brittle spots. If none are found replace the spark plugs, all of them and spark plug wires. I know these are still fairly new but that is the next step. If you have over 60,000 miles on the vehicle it could be an issue with the timing chain but my experience tells me replace the crank Position sensor first if none of the other steps yield any results. Because these vehicles come with the power train warranties they do you can't really trust the Dealer Mechanics because they will do anything they can to prolong this to get the vehicle out of warranty.

Nov 03, 2011 | 2003 Nissan Murano

1 Answer

How to tell which or if either knock sensor is bad on a 2005 Chevy suburban 5.3. I have a light on that two mechanics read and both said it's the knock sensor low circuit #2


usually the sensors (2) are good but the harness goes bad and there is corrosion at the knock sensor connection. The intake manifold need to be removed and the harness replaced. KNOCK SENSOR 2 IS THE REAR.

Sep 12, 2011 | 2005 Chevrolet Suburban

1 Answer

I have an engine code PO332 knock sensor 2 circuit low imput bank 2 what is this problem .the car is a 2001 gmc yukon xl .


The most likely cause of your code is a bad rear knock sensor. You should check the knock sensor wiring harness for corrosion. But if that checks out the sensor will have to be replaced. The knock sensor is under the intake manifold, although it's not too difficult to remove. Both knock sensors should be replaced along with the wiring harness, just because of labor involved in gaining access to the sensors. You could try clearing the code, it may stay off for a long time.

May 23, 2010 | 2001 GMC Yukon XL

1 Answer

Knock sensor malfunction?


knock sensor is on the block, looks like a bolt and has 2 wires coming out of it.

Jun 22, 2009 | 2007 Jeep Commander Rocky Mountain

1 Answer

Knock sensor dont work for 2005 dodge durango


this problem is very seldom the knock sensor, it can be the harness connector at the sensor or the engine has excessive knock which will set a code, u did not mention the particular code so hard to say, the location of the knock sensor is the lower section of the engine block, it is screwed into what would normally be a block drain plug, if u replace it u need to torque it to whatever the factory spec is or it can cause it throw another code..

May 29, 2009 | Dodge Durango Cars & Trucks

1 Answer

Check engine light tells me knock sensor or circut ecu


On a 6 cylinder, the knock sensor is located under the intake manifold, on the inside edge of the cylinder block. You must remove the entire intake manifold assembly to access the knock sensor. If you are replacing it, it would be very advisable to replace the sensor AND the extension wire from it to the main harness. I have observed that the wire extensions become brittle over time, and they fail with regularity.

Dec 07, 2008 | 1991 Toyota Pickup

1 Answer

Knock sensor


knock sensors are underneath the lower intake. replace the knock sensor harness as well

Oct 15, 2008 | 1992 Lexus Es 300

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