1996 Nissan Sentra runs rough

1996 NISSAN SENTRA
150,000 MILES • 4 CYL • 2WD • AUTOMATIC
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PJSREMODEL
  • MEMBER
  • 1 POST
car starts fine and idles fine when reaches operating temp begins to run rough and seems to misfire and buck. allow to cool and hour or so starts and runs till operating temperature is mate then starts to run rough again till it no longer will run
Apr 6, 2010 at 11:18 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Engine running rough or misfiring can be cause by the following-inspect and test all the following below:
1.Defective spark plug.
2.Inadequate spark/coil,defective spark plug wire.
3.Lack of compression
4.False air leakage.
5.Faulty fuel injectors.
6.Insufficient fuel pressure.
7.Contaminated fuel.
8.EGR valve that is leaking.
9.Oxygen sensors.
10.Idle air control valve.
11.throttle position sensor.
Apr 6, 2010 at 11:30 AM
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