Knock Sensor (KS)
What It Does: The Knock sensor generates an AC voltage created from the frequency of
poor combustion in the engines combustion chambers. A mechanical fault within the motor
creating a rapping sound may create false signals from this sensor. Ignition timing and the
air/fuel ratio are adjusted to compensate for this condition.
Location: The Knock sensor is located on the engine block and in some applications under
the intake manifold.
Failure Symptoms: Malfunction Indicator Light (MIL) illumination, failed emission test,
pre-detonation or “ping”, increased emission levels, low engine power
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Features & Benefits
ISUMO
connectors and wiring harnesses are designed to replace worn, damaged, or corroded electrical connections.
Designed to meet or exceed OE specifications
Deliver reliable performance and long life
Designed for domestic, import, and specialty applications
Provides worry-free electrical performance
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