Question about 1994 Chevrolet K1500

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Where is the knock sensor on a 1994 Chevy 350 engine located? I have cide error DTC 43

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I believe its located rt side rear. just a little lower where head seperates from block..

Posted on Apr 04, 2011

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I have a 1994 1500 Chevy truck. Can't find the knock sensor. Vortex engine if that matters Removed distributor, not there. Can't find it around the starter or left side


The Knock Sensoris located: Under hood, passenger side, lower engine area, front of starter, mounted in engine block .Here's a link to what your knock sensor look's like.
Knock Sensor

Nov 17, 2016 | Cars & Trucks

1 Answer

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

2 Answers

I need the list of codes for a 1994 corolla


1.6 GLi COROLLA

DTC NUMBER TROUBLE AREA 12 clip_image001.gifRPM signal 13 clip_image002.gifclip_image002.gifRPM signal 14 IGN signal 16 ECT Signal 21 Oxygen sensor signal 22 Water temperature signal 24 Intake air temperature sensor 25 Air / Fuel ratio lean 31 Vacuum sensor signal 41 Throttle sensor 42 Vehicle speed sensor 43 Starter signal 52 Knock sensor 51 Switch COND

Sep 29, 2014 | 1994 Toyota Corolla

2 Answers

On my 1991 chevy blazer s10 I get error code 43. What is it and how do I fix it


Hi, the indication is that your computer is not receiving a good signal from the knock sensor. Recommend you check the connector on the sensor and the wire. Also make sure the sensor isn't loose in the block. If those look good, you may want to just replace the sensor. A new one is $30 at autozone. Without the knock sensor signal, the computer will default the ignition timing toward a less fuel efficient value. The sensor looks like the picture below and is mounted in the engine block. You may have 2 knock sensors--one on each side of the engine. Sorry, but I could not find a good picture of the location. I will keep looking for one, though.

jturcotte_426.jpg

Apr 08, 2011 | 1991 Chevrolet S-10 Blazer

1 Answer

Dtc po321 on a 94 buick park ave runs good check engine light comes on at 2nd start up i replaced;crank sensor cam sensor and modlue


po321 inthe code for the knock sensor error.look for any unusual knock type sounds, such as , noisy rocker arm, harmonic balanced rubber getting loose, or detonation from low octain fuel, or egr malfunction. check to be sure sensor wiring is ok, or that it's not unplugged.knock sensor is there to detect detonation (spark knock) so pcm can ****** timing.

Dec 18, 2010 | 1994 Buick Park Avenue

3 Answers

1995 k1500 5.0 v8 manual trans setting a code 43


DTC 43 Knock Sensor (KS) Circuit probable cause is Signal to PCM has remained low for too long or the system has failed a functional check.

I wish you luck with that repair.

Jul 21, 2010 | 1995 Chevrolet K1500

1 Answer

89 k1500 Sluggish acceleration when warm


Sounds like fuel pressure. 44 is lean exhaust and 43 is knock sensor circuit. The engine can knock if it is lean. Try the filter first. Also check fuel pressure if you have a gauge.

Jun 28, 2009 | 1989 GMC K1500

1 Answer

Code 43


Should clearify by providing engine info. However, this will likely be what you need...

Code 43:
knock sensor or electronic spark control circuit fault

Jun 25, 2009 | 1994 Chevrolet C1500

1 Answer

Knock sensor location


if its a cmfi or csefi injection system theres 2 knock sensors 1 on each side of engine block,1 under the left bank of block,the other under right bank of block,tbi inj. theres 1 in front of starter.

May 27, 2009 | 1994 Chevrolet C1500

1 Answer

1991 chevy lumina will hardly run


DTC - 22 Throttle position sensor error (signal low), is tps connected?
DTC - 23 Intake air temp sensor error (low temp indicated) check and make sure the sensor is connected
DTC - 43 Knock sensor error, ignore this for now, will not cause rich run.
DTC - 53 System voltage too high, check reference voltage from PCM, it should be around 4.5 Volts, this could be the cause of all your problems, the computer will need to replaced almost for sure.

Oct 06, 2008 | Chevrolet Lumina Cars & Trucks

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