2005 Nissan Primera

Engine Performance problem
2005 Nissan Primera 6 cyl Front Wheel Drive Manual 111, 50 miles

hi, my car has suddenly lost power and is operating at about 50 per cent performance. Any ideas please
February 20, 2010.

Inspect and test all the following listed below: 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.

Feb 20, 2010.