1996 Nissan Altima rough idle

Tiny
SLOTMA64
  • MEMBER
  • 1996 NISSAN ALTIMA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 223,367 MILES
My car runs good but idles rough at times
Tuesday, April 27th, 2010 AT 5:20 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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. Throttle position sensor.
11. Idle air control valve.
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Wednesday, April 28th, 2010 AT 4:11 AM

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