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 throttle position sensor.
Check camshaft position sensor.
Check crankshaft position sensor.
Check power steering oil pressure switch.
Check A/C switch (if applicable).
Check park/neutral position 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 MFI 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 ECM malfunction.
Ensure electrical harness, connectors and wires are not broken or loose.