Poor Acceleration

Check intake manifold pressure sensor.
Check intake air temperature sensor.
Check intake air temperature and pressure sensor.
Check throttle position sensor.
Check fuel injection components; fuel injectors, fuel pressure regulator and fuel filter.
Check fuel pump.
Check fuel pump relay.
Check engine coolant temperature sensor, if symptom occurs only in cold temperatures.
Check crankshaft position sensor, ensure component is securely installed.
Check camshaft position sensor, ensure component is securely installed.
Check a/c switch.
Check engine torque control signal citcuit.
Check ignition parts; ignitor, ignition coil and spark plugs.