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2002 Montero Sport Misfire Cyl. 5/ valve noise

Tiny
JANCIAUX1
  • MEMBER
  • 2002 MITSUBISHI MONTERO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 90 MILES
2002 Mitsubishi montero sport 3.5V6 90K - two months ago started getting loud valve chatter at cold starts - goes away in about 1 minute and helped dramatically when I switched to 5W30. Shortly after started getting hesitation on acceleration and check engine light came on. Had code read and it indicated a "misfire condition on cylinder 5." Question is, could the two be related? Or two separate problems? Thanks in advance - your site is awesome.
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Friday, January 14th, 2011 AT 2:46 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be-Sounds like a lifter leakdown problem -P0305 check the no.5 sparkplug, compression and injector
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Friday, January 14th, 2011 AT 3:03 PM
Tiny
JANWILLIAMS1011
  • MEMBER
  • 1 POST
I've had this same problem with my 2002 mitsubishi motero sport. We replaced plugs, wires and coil packs. One of the coil packs is not firing the 2 wires connected to it. Any advice on what I should do?
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Tuesday, July 31st, 2012 AT 8:27 PM

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