I had an issue with my truck throwing a code 43 right at startup. Apparently there are 2 different knock sensors for these trucks. The one you posted is the white one, which is what I had. I replaced it with the black one and it fixed my issue. This is just a thought
I just wanted to make an update, For anyone else who may have the same problem and comes across this post. The truck had the wrong knock sensor in it when I got it and when I replaced it I replaced it with the same one. It had a white connector on the sensor the correct one for this truck is the...
I don’t have a obd1 scanner. I don’t hear any noises.
I replaced the pigtail
I replaced the temp sensor because I saw where it could cause the issue.
I replaced the ecm because I read where it might not be advancing the timing to test the knock sensor
I have a 95 k1500 with the 5.7. I’m getting a code 43(Knock sensor fault) with in 10 seconds of start up. The timing is set to zero. I have replace the knock sensor and harness. I have also replaced the temp sensor and the ECM I continue to get the code 43. The truck is sluggish the motor was...