Lack of Power
Engine delivers less than expected power. Little or no increase in speed on slight acceleration.
POSSIBLE CAUSE ACTION
EGR malfunction See Exhaust Gas Recirculation System
Incorrect distributor installed position See Adjustments
Electronic spark timing
insufficient spark advance See Computers and Control Systems
Restricted exhaust See Three-Way Catalytic Converter
Poor or contaminated fuel Recommend higher quality fuel
EVAP system malfunction See Evaporative Emission Control System
TURBOCHARGED ENGINES
Turbocharger or wastegate control malfunction Check for damaged turbocharger
or seized turbocharger bearings.
Check for wastegate stuck open
or faulty wastegate control solenoid.
See Fuel Delivery and Air Induction