Hi Drouze, Welcome to 2carpros and TY for the donation
Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below check and test then comeback with some testing results we start here
Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
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
Monday, July 12th, 2010 AT 10:16 PM