Pontiac, bonneville se, 1998, 109k, 3.8
what is a knock sensor and do I really need it. : :
have the same problem?
Saturday, October 27th, 2007 AT 9:07 PM
A knock sensor mounted on the engine that is designed to detect the high-frequency vibrations caused by detonation. By employing a knock sensor, a computerized engine-control system allows an engine to operate very near its detonation limit: thereby improving power and efficiency.