Repair a surging or slow idle with a new fuel pressure regulator.
***You will need to remove the turbo inlet pipe and upper radiator pipe for installation***
Duramax LBZ/LMM Fuel Pressure Regulator
Fuel Pressure Regulator Bolts
Upper Radiator Pipe Seal
EGR Tube Gasket
EGR Tube to EGR Valve Gasket
Intake Tube Gasket Kit