Lack of Power

Symptom: Engine delivers less than expected power. Little or no increase in speed on slight acceleration.

POSSIBLE CAUSE ACTION


Hot air tube not connected ^ Check the intake air temperature system.
to air cleaner - air damper
door binding or not opening.


Incorrect initial timing ^ Check base timing.
SEE IGNITION SYSTEM/ ADJUSTMENT PROCEDURES.

^ Check Timing belt alignment.


Incorrect spark advance ^ Check spark controls.
SEE IGNITION SYSTEM/ TIMING SPECIFICATIONS


Lean Air-Fuel mixture ^ Check fuel pressure.
^ Check O2 sensor.

^ Perform injector balance test (SFI only).


EGR malfunction ^ Check EGR system.
Exhaust Gas Recirculation


Restricted exhaust ^ Check Catalytic Converter system.
Catalytic Converter


Poor or contaminated fuel ^ Recommend higher grade fuel