SCHNECKE Ignition Knock (Detonation) Sensor
Brand Information
SCHNECKE
- Provider of Ignition Knock (Detonation) Sensor products to the worldwide OEM market and aftermarket.
- SCHNECKE offers complete Ignition Knock (Detonation) Sensor coverage for Asian, Domestic and European vehicles.
Knock sensors are located at the engine block, either threaded into the side of the block or under the intake minifold, producing an input voltage that the ECM uses to measure engine dynamic vibration.
Ignition knock sensors allow the vehicle computer to monitor the combustion chamber, advancing or delaying ignition and valve timing or injector pulse width for optimal engine performance.
CAUSE FOR REPLACEMENT
- Check engine lamp illumination
- Engine hesitation
- Poor fuel economy
- Failed emissions test