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 Refer to 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.
Refer to Fuel Delivery and Air Induction.