Engine Has No or Poor Power

1. Clogged pressure sensor vacuum passage.
2. Improperly adjusted accelerator cable play.
3. Improperly adjusted installation angle of throttle position sensor or faulty throttle switch (M/T).
4. Improper fuel pressure.
5. Faulty EGR system.
6. Faulty injector.
7. Poor performance of Throttle Position, Water Temp., Air Temp. or Pressure sensors.
8. Faulty ECM.