11-16 LML Duramax Powertrain
2012 2500 LML, 190k miles
PPEI 150hp tune, deleted, EGR completely removed, FASS 150
Replaced low pressure elbow into CP4 and low pressure line to low pressure schrader valve test port 6 months ago when it had a fuel leak into the valley
Driving home last night, "Check Fuel Filter" light came...