Re occurring P0327 and 332 codes

Question

I have already changed the intake manifold, both knock sensors and wiring harness. CIL came back on and codes reappeared within a day. 2003 chevy 4.8 vortex engine with 227K miles.

Answer 1

Hi there,

It is likely an issue with the PCM. Here is some info for you.

P0332 CHEVROLET - Knock Sensor 2 Circuit
Read more: https://www.autocodes.com/p0332_chevrolet.html