GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1997 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Turbocharger 🢒 Lacks Power, No Black Smoke at WOT

Lacks Power, No Black Smoke at WOT for GMC Truck GMC P42 Commercial Chassis 1997

Engine Lacks Power and Has No Black Smoke at Wide Open Throttle

Possible Cause

Correction

Insufficient fuel supply to the injection pump.

Refer to Engine Controls.