No CKP no FI no code

ufukthegixxer

Registered
I have checked my CKP sensor and found 2.5V peak voltage which is below specifications.
But weird thing is when i disconnected CKP coupler and tried to start motor to check FI indicator, i didn't get any code or FI light. I cranked for more than 4 seconds but nothing.
After that, i connected CKP sensor back and started engine, while its idling i disconnected CKP again, engine stopped immediately but no FI light or Error code has came out.
Is it possible to be CKP error eliminated permanently in ECU? I am not first owner.
Or is it possible to be in some models ECU has no CKP error detection feature?
Regards.

Edit: Extra information; other error codes functioning properly.
 
Last edited:
Finally i got my C12 error and FI indicator blinking.
It is caused by ckp sensor socket, which was accidentally disconnected.
I cranked motor about 4 5 seconds and got it.
So i guess it wasn't disabled, it does kick in very late or maybe just started working properly after i ve adjusted CKP sensor air gab.
 
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