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'Ping' hassle

Question : AM I right to say that a new engine will not ping/knock if it has an oxygen sensor that automatically controls air/ fuel mixture and knocking sensor that prevents engine from pinging/knocking by automatically adjusting the timing.

If it still pings, what is the problem? I am using RON97.

Answer : It is the knock sensor that prevents 'pinging'.

If you get 'pinging', you should get the knock sensor checked as either that is faulty or there is a harness problem.

If the O2 sensor is at fault, it will be indicated as a fault in the EFI system and on doing a system check, you will be able to identify the problem.

Actually, it is quite rare for the knock sensor to give problems as it is not in contact with any product of combustion, unlike the O2 sensor.

 
   
 

Irritating sensor

Where is the sensor ?

ABsolute coincidental

Erratic rpm

Oxygen sensor

Lambda always lights up

Drop sensor in boiling water

Check sensors

Testing lambda sensor

Sensing trouble

 

ABS-olute non-sense

Sensor fault

'Ping' hassle

Wrong readings

Barely audible

Faulty sensor

Faulty 02 sensor

02 sensor

Lambda symbol

Oxygen sensor

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Piston
 
Polishing
 
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Tappet
 
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