Engine Performance problem
2004 Nissan Maxima 6 cyl Front Wheel Drive Automatic 84000 miles
No engine codes, transmission professionally checked out OK. Still have a inconsistant engine hestitation (sometimes) occur when reaccelerating from letting off pedal and then resuming to accelerate. Does not occur from a stop. Engine seems to hesitate then jerk as it as if it is re engaging.
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.