ISX 12 spooling at idle

[Rawze]

(09-11-2021 )Smiling lemon Wrote:  

(09-09-2021 )Rawze Wrote:  * Someone has jacked the injection timing out past the safe zones.. and into the realm of it wanting to crack a piston.. Typical of someone who is beyond clueless on how these modern diesel engines work.

What degree were the injectors set to fire under full load?

(looked at his file briefly again to verify)...
Only looking at the abnormally created 1600-1700 rpm range (the only place it will make full power because of bad torque maps)...

The Main injection cycle was more than +7 BTDC (enough to cause engine damage after a year or 3) to as much as +14BTDC depending on what engine modes it was jumping in and out of This is even before considering any high altitude modes .. which are advanced even further.