High vacuum restriction on low pressure fuel system caused by...
fuel hose collapse
incorrectly drilled connectors
or foreign material in the fuel tank
fuel supply pump
fuel return valve
High crankcase pressure caused by...
Plugged crankcase breather element.
worn piston ring sleeves
leaking cylinder head gasket
restricted air induction system
or exceeding oil pan fill capacity
injection pump (under fueling)
small l.D. fuel inlet supply line
or improperly adjusted injection pump fuel modulator (Aneroid)
or improperly adjusted injection pump fuel shut off cable
Defective, misadjusted or worn clutch resulting in slipping.
Torque converter slipping, high converter stall speed.
Excessive main hydraulic pressure causing low full stall speed.
PROBLEM: HIGH INTAKE MANIFOLD PRESSURE (EXCESSIVE FUEL CONSUMPTION)
REASON OR CAUSE:
Overfueling of engine caused by defective or misadjusted fuel injection pump.
Incorrect turbine housing (incorrect A/R ratio) or incorrect nozzle ring, small vane gap.
Incorrect nozzles - orifice size larger than specified for application.
PRINTED IN UNITED STATES OF AMERICA