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
Incorrect distributor installed position See Adjustments.
Electronic spark timing
insufficient spark advance Refer to Computers and Control Systems.
Restricted exhaust See Catalytic Converter
Poor or contaminated fuel Recommend higher quality fuel
EVAP system malfunction See Evaporative Emissions System
TURBOCHARGER ENGINES
Turbocharger or wastegate control malfunction Check for damaged turbocharger
or seized turbocharger bearings.
Check for wastegate stuck open
or faulty wastegate control solenoid.
Refer to Fuel Delivery and Air Induction.