Mitsubishi Galant A sporty mid-sized sedan offering the perspective buyer a change from the normal mid-size sedan class.

2000 Galant Moist Weather Cylinder Backfire

  #1  
Old 12-26-2006, 11:22 PM
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Join Date: Nov 2006
Posts: 5
Default 2000 Galant Moist Weather Cylinder Backfire

Hi,

I've had this problem for a while: after moderate rainfall, or foggy and moist weather, the 3rd cylinder on my 2000 Galant (with 55k milse on it) backfires.The car vibrats and shakes, after which the '"Service Engine Sooon" light comes on. I've done a tune-up about 6 months ago, putting in platinum spark plugs, airfilter, wiring, etc. The car runs and starts perfectly fine in dry weather, and after it has been warmed up.

Some pople say moisture is getting into the spark plug..however im not too sure about that. Any suggestions?

Thanks
 
  #2  
Old 12-27-2006, 12:08 AM
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Join Date: May 2003
Location: United States
Posts: 1,187
Default RE: 2000 Galant Moist Weather Cylinder Backfire

would help if we knew if you have a 4 or 6 cylinder.
 
  #3  
Old 12-27-2006, 11:59 AM
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Default RE: 2000 Galant Moist Weather Cylinder Backfire

4 cyl..yea,,thanks kinda important
 
  #4  
Old 12-27-2006, 09:11 PM
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Join Date: May 2003
Location: United States
Posts: 1,187
Default RE: 2000 Galant Moist Weather Cylinder Backfire

did you replace the coil boots? Or the individual plug wires?
 
  #5  
Old 12-28-2006, 10:55 AM
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Posts: 5
Default RE: 2000 Galant Moist Weather Cylinder Backfire

Both
 
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