I understand the mechanical risks of hydraulic lock. I am able to resolve the hydraulic issue by unplugging the fuel pump Electrically until the glow plugs warm up. Not under warranty. My real question which I can’t seem to find an answer to is; what is the Mechanism for spill back and or...
During glow plug warm up on my Mitsubishi S3l2 the fuel pump continues to run and loads up the cylinders with fuel causing hydraulic lock. How is this supposed to be regulated?