2004 Nissan Sunny



May, 16, 2010 AT 10:31 AM

Transmission problem
2004 Nissan Sunny 6 cyl Two Wheel Drive Automatic 130000 miles

Occasionally, my car does not pick up speed after a stop at the junction. Stepping on the accelerator simply revs the engine to more than 3000rpm but the car still moves at 10-20km/hr. I've changed the transmission fluid and spark plugs but problem still persists. I've to pull over and restart the engine, and it'll be back to normal.

1 Answer



May, 22, 2010 AT 11:37 PM

Inspect and test all the following listed below and get back with some results

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.

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