answersLogoWhite

0

The knock sensor detects spark knock or ping and sends a signal to the vehicles putor. The putor takes that information and retards timing in an attempt to eliminate the ping.

User Avatar

Wiki User

16y ago

What else can I help you with?

Related Questions

What is knock sensor?

A knock sensor is a device that senses detonation. Detonation occurs in the engine when the fuel begins to burn prematurely; it can cause substantial damage to the engine.


What is a knock sensor?

A knock sensor is a device that senses detonation. Detonation occurs in the engine when the fuel begins to burn prematurely; it can cause substantial damage to the engine.


What is the function of knock sensor?

Knock sensors detect abnormal vibrations in the engine. The system is designed to reduce spark knock during periods of heavy detonation. Knock sensors produce AC output voltage which increases with the severity of the knock. The signal is fed into the PCM and the timing is retarded to compensate for the severe detonation.


Will a knock sensor make it not to idle?

The knock sensor has no effect on idle. It has no effect at all unless it is triggered by detonation. It is a passive device.


What does a knock sensor do on a 4.9 6-cylinder f-250 engine?

the knock sensor detects pre detonation ans adjusts the timing to compensate


What is a Renault scenic knock sensor?

A knock sensor is a sensor inside an engine that detects detonation of fuel prior to the spark plug igniting the full during the cycles of the engines. Detonation at the wrong time can cause significant harm to an engine since it will cause the piston where the detonation occurred to be pushed down at the incorrect time. This can result in a catastrophic breakdown of the whole engine. A knock sensor monitors irregular detonation and will automatically retard or advance the timing of the engine to ensure that serious damage is not caused to the motor.


What is the function of a crankcase sensor in a 2005 Audi A4 1.8T Cabriolet do?

There's no such thing as a crankcase sensor as engine sensors are normally defined by their function rather than what they are mounted to. What you are probably referring to is the knock sensor which is usually mounted on the side of the engine block. The knock sensor monitors detonation/pinging/pre-ignition and is used by the engine management system to offset the ignition timing.


What is knock sensor 1 circuit malfunction bank 1 or 1 sensor mean?

knock sensor is a very sensitive small microphone usually on the engine block or sum times on the cylinder head , it listens for any pre detonation going on in your engine . pre detonation is nasty early combustion you dont want, if you get pre det it causes a pre knock sound which the knock sensor microphone detects. your probly not getting pre detonation but thats what the sensor does 8) "sensor 1 circuit" means the ecu has detected it cannot make connection to the sensor, the sensor could be dead or you could have a wiring issue to the sensor IE chaffed wire, bad connection at the plug ect. Brett


Does the BMW 135i need premium gas?

Yes, it prevents knock and detonation. The knock sensor is just a sensor it only pulls timing after knock aka damage occurs. One tank will be fine but don't make it a habit.


Where is the knock sensor located on a 1997 ford explorer?

The Knock Sensor (KS) is mounted on the engine, above the alternator and used to sense engine detonation. The knock sensor is a frequency amplifier with the sensor designed to resonate at approximately the same frequency as the engine knock. This allows relatively large signals to be sent to the Electronic Control Assembly (ECA) without electrical amplification and with a relatively small sensor. The ECA uses this information to alter the ignition timing to optimize ignition timing while reducing the occurrence of spark detonation.


Where is the knock sensor on 4.9litre engine ford f-150?

The Knock Sensor (KS) is mounted on the engine, above the alternator and used to sense engine detonation. The knock sensor is a frequency amplifier with the sensor designed to resonate at approximately the same frequency as the engine knock. This allows relatively large signals to be sent to the Electronic Control Assembly (ECA) without electrical amplification and with a relatively small sensor. The ECA uses this information to alter the ignition timing to optimize ignition timing while reducing the occurrence of spark detonation.


Were is a Ford 5.4 liter knock sensor?

The Knock Sensor (KS) is mounted on the engine, above the alternator and used to sense engine detonation. The knock sensor is a frequency amplifier with the sensor designed to resonate at approximately the same frequency as the engine knock. This allows relatively large signals to be sent to the Electronic Control Assembly (ECA) without electrical amplification and with a relatively small sensor. The ECA uses this information to alter the ignition timing to optimize ignition timing while reducing the occurrence of spark detonation.