Possibilities: Inspect and test all the following listed below: Oxygen sensor.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Manifold absolute pressure sensor.
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.
Note: If it doesn't apply disregard it.
June, 7, 2011 AT 3:02 PM
Gee, this sounds more like a first gear issue in the transmission. How is the transmission fluid level? Does the fluid smell (yes I said smell) like it has a burnt smell to it? Is it real dark (black, brown, etc.)? Maybe a clogged transmission filter (if equipped). Many diffrent scenarios here.