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In back of the engine, drivers side.

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Q: Where is the knock sensor on a 1992 4.3 gmc?
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What is code 43 1992 Chevy S10 blazer?

knock sensor

Chevy trouble code 43?

Electronic spark control is not receiving sinal from knock sensor Try replacing knock sensor

Gm code 43 for a 94 lumina?

code 43 except2.2or2.5 4flashes pause 3flashes electronic sparkcontrol knock sensor circuit probable cause faulty knock sensor or mem_cal.

What is a code 43 on a 1993 s-10 blazer?

knock sensor

Troubleshoot codes 12 43 for a 1988 Chevy Celebrity?

On your 1988 Celebrity code 12 means the computer is working properly. You should always get a code 12 whenever you check for codes. Code 43 has to do with the Electronic Spark Control, specifically the knock sensor. It doesn't necessarily mean the knock sensor has failed, it could be in the wiring To check the knock sensor measure it resistance. It should read between 3300 and 4500 ohms. If it does not it may mean the knock sensor has failed. One of our cars recently posted a code 43. When we checked it out it turned out the terminal had come off of the knock sensor. When it was put back on it cleared up the problem.

What is a code 43 on a 93 Chevy blazer?

ESC / Electronic Spark Controll Circuit. and the knock sensor signal.

Does anyone have a flow chart for Gm code 43?

"Does anyone have a flow chart for Gm code 43?" You weren't specific of year! So here are both. 1982 - 1992 Code 43: Electronic Spark Control "Poor electrical connection, open or short in circuit; defective ESC module; defective knock sensor; defective ECM". 2003 - 2005 OBD I Code 43: Knock Sensor(KS)Circuit "Check ECM/PCM for an open or short to ground; if necessary, reroute the harness away from other wires such as spark plugs, etc. Replace the knock sensor if bad". Basically different! But the same!! Right? ESC & KS talk to each other.

What does code 43 esc mean for 1994 Chevy Caprice?

code 43 is related to the spark control system. (esc) the problem is usually the knock sensor wiring connector is defective and/or the sensor. the sensor is located in the right /passenger side of the engine block near the starter.

Code 43 1990 K1500 5.7 anyone had this problem?

check the knock sensor if that's not it try the electronic spark control moduel

Gm scanner found code 43 on 86 s10 blazer referring to electronic spark timing ESC circuit - low voltage detected or electronic spark control circuit problems what and where is this and how to fix?

I have a 92 s10 blazer and my code 43 was fixed by replacing the knock sensor. so maybe check the knock sensor and the wiring from that to the ECM.

Why would a 1993 gmc sonoma 4.3 gets codes 42 and 43?

I can't make any promises, but I've got 94 Chevy using OBD1, like yours probably has too. In my manual this is what it says: Code 42:Ignition Control Module - "Check the wiring and connectors between the ignition module and the ECM. Check the ignition module. Replace the ECM".Code 43:Electronic Spark Control - "ESC module is not receiving a knock signal from the knock sensor. Check the knock system sensor, or the ESC module. Have the module checked by a dealer service department." Hope that helps, good luck!

Would code 43 electronic spark control failure cause the vehicle to not start and would replacing the knock sensor fix this or is it an ECM issue?

I have a 1990 Pontiac Safari wagon that would not start,after much testing we found one bad fuel injector replaced it and car started but ran terrible, did more testing and found bad ignition module, replaced module runs better but now have code #43 knock sensor and engine is running in default mode switched ECM no help must be knock sensor don't think knock sensor would keep car from starting but the other things mentioned here would. Hope this helps. This wagon has 3.1 engine. Havent changed knock sensor yet.