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2000 Nissan Quest Misfire

Tiny
LABOREDM
  • MEMBER
  • 2000 NISSAN QUEST
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 169,000 MILES
My 2000 Quest has a bad misfire. It seems random. It will run fine for a few seconds then misfire and then smooth out and start misfiring again. It does it less cold, then it starts to get worse as the van heats up.
Friday, March 19th, 2010 AT 7:52 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following-inspect and test all of 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.
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Friday, March 19th, 2010 AT 8:01 PM

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