Lack of Power, Sluggish

Definition: Engine delivers less than expected power. Little or no increase in speed, when accelerator pedal is pushed down part way.

POSSIBLE CAUSE ACTION

Contaminated fuel ^ Check for water or excessive alcohol in fuel. Testing and Inspection
^ Drain fuel tank and add clean fuel

Lead contaminated catalytic converter ^ Check for missing fill pipe restrictor
^ Replace catalytic converter

Low fuel pressure ^ Check fuel pressure.

Pinched or collapsed fuel hose/line ^ Repair/replace as required

Throttle valve not fully opening ^ Check accelerator pedal travel (Floor mat/carpet interference)
^ Check throttle cable adjustment

Dirty air filter ^ Clean or replace