For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1998 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Engine 🢒 Turbocharger 🢒 Blue Exhaust Smoke, Warm Engine Only

Blue Exhaust Smoke, Warm Engine Only for Chevrolet Chevrolet C-Series Medium Duty Truck B7 1998

Problem	Action
Lack of intake air	Refer to Engine Controls.
Restricted oil drain tube	Clean or replace the oil drain tube.
Oil leakage past the turbo seals.	Replace the turbocharger. Refer to Turbocharger .