Lack Of Power

On M/T models, ensure clutch is not slipping.
On A/T models, ensure transmission is not slipping.
Ensure brakes do not drag.
Ensure tire size and air pressure are to specification.
Check throttle linkage operation.
Check EGR operation. See SYSTEM/COMPONENT TESTS article.
Check ignition timing (1.6L and 1.8L).
Ensure PCM terminal voltages are okay. Refer to PIN VOLTAGE CHARTS article.
Check intake manifold vacuum. Vacuum should be more than 17.7 in. Hg at idle.
Check air filter element.
Ensure fuel system pressure is correct.
Check Mass Airflow (MAF) sensor. Refer to SYSTEM/COMPONENT TESTS article.
Check spark plug condition.
Check spark plug wires.
Check ignition coil resistance.
Check engine compression.
Check for restricted exhaust system.
Check fuel filter.
Check for contaminated fuel.