The harness is aftermarket from bp automotive but the last few wiring labels came off.
Get 2001 Chevy Silverado Knock Sensor Wiring Diagram Pictures. Immediately after i got it, the check engine light came on. The knock sensor is responsible for sensing vibrations caused by engine knock.
Pcm Pinout Diagrams from i69.photobucket.com
My 2002 chevy avalanche with a 5.3l never threw a p0332 code until i powerwashed the engine by my experience i had a grand am with some sensor issues and turnout to be a broken wire by the the engine will run fine, but if there is knock the computer can not detect it and will not adjust the. I have viewed quite a few knock sensor replacement forum postings on this and other sites. The crankshaft position sensor is a hall effect type sensor and produces a digital (on/off) signal that can be seen with an led or an oscilloscope.
When the upstream chevy silverado oxygen sensor goes out in your truck, you'll see a warning light turn on.
Heated oxygen sensor low signal bank 1 sensor (1). Around 2001, the engines no longer had egr, so that does away with 5 wires. Original mechanic says there is no need for a new wiring harness and the knock sensors must be bad. However, the manual states that connector will have a ground connection if there's an auto tranny.
