Hey anyone know what to do about an engine code that says low voltage to knock sensors. 2001 C5 coup.

Chris

Not off hand, but it sounds like a good reason to buy a good manual that covers your ride, all that information and more should be in one. Just my .02

Are you getting a P-0332? If so there is a TSB on it. Here's a qoute from the TSB;

Condition
Some customers may comment on a mild to severe engine ping (commonly referred to as spark knock), usually worse during acceleration and/or an illuminated MIL. Upon investigation, the technician may find DTC P0332 set.

Cause
This condition may be the result of corrosion of the rear bank knock sensor due to water intrusion into the sensor cavity. This condition is more apparent on vehicles in which customers frequently wash the engine compartment.

Correction
Replace the rear bank knock sensor and build a dam (wall) around the sensor using RTV to divert water away from the sensor.

Hey thanks for the info, but where are the knock sensors and how do you get to them?


Chris

They are mounted on the top of the valley cover under the intake. You're going to have to remove the intake unfortunately. It's usually the rear one that goes...

What code are you getting?