Engine Hesitates Or Poor Acceleration

Check intake air temperature sensor.
Check engine coolant temperature sensor.
Check barometric pressure sensor.
Check ignition switch.
Check ignition coil.
Check EGR control solenoid valve (if applicable).
Check idle position switch.
Check throttle position sensor.
Check TDC sensor.
Check crank angle sensor.
Check power steering oil pressure switch.
Check A/C switch (if applicable).
Check inhibitor switch (A/T).
Check oxygen sensor.
Check airflow sensor.
Check motor position sensor (if applicable).
Check fuel pressure.
Check for disconnected or damaged vacuum hoses.
Check for PFI system malfunction.
Check for stepper motor malfunction (if applicable).
Check for fuel injector malfunction.
Check for power transistor malfunction.
Check for A/C power relay control system malfunction.
Check for ECU malfunction.
Ensure electrical harness, connectors and wires are not broken or loose.