Originally Posted by
lpugh
I can see very well how that could happen with a air injector stuck open, during the combustion process a lot of pressure is developed that would feed back into the air rails thru the open direct injector, spiking air pressure enough to reduce fuel/air pressure spread thus reducing fuel flow from another injector at the moment of the increased air pressure, I doubt the tracker valve and pressure regulators would be able to compensate for that completely. A pressure wave from the combustion process is pretty intense, think of 2 cycle expansion chambers and how they function, pressures and timing of the pulses
Just theory on this is, not a fact
Any thoughts on that Merc guys ?