car stuttering

2000 NISSAN ALMERA
72,000 MILES • 6 CYL • 2WD • MANUAL
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MANJUNATH2000
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  • 1 POST
nissan almera 1.5 s stutters at fourth and fifth gears but goes beyond 70mph on the third without any problem! does beyond 4000 rpm without any trouble on the third but the moment i change up it begins to loose power like there is no fuel in the car (though there is enough) please help
Mar 19, 2011 at 10:50 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
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 and keep testing.
Mar 19, 2011 at 11:00 PM
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