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rough idle

  #1  
Old 02-03-2009, 01:37 PM
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Default rough idle

I have replaced all spark plugs, checked all coils for conductivity, and they all check good. The other thing is that my car is throwing a code for a random/ multiple cylinder misfire, i was wondering if this would be because of the fuel injectors? if so, is there any good step by step instructions out there to replace these because i have looked on VADIS and there is nothing good enough.

Thanks
 
  #2  
Old 02-03-2009, 01:52 PM
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I had a Land Rover that did this and it was caused by bad plug wires.

The way I found it was to run the vehicle at night in a very dark area. When I fired up the vehicle and popped the hood it looked like a little light show under there. Replaced the wires and all was good.

Not sure if you have replaced the wires or not. If not, check them out.
 
  #3  
Old 02-03-2009, 02:05 PM
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i have checked all the coils and they are sparking to the frame when i tested them, so i am assuming that if the coils are sparking to the frame that all of the wires are good enough, thank you and if you know of any other solutions i would be glad to check them out.
 
  #4  
Old 02-03-2009, 02:07 PM
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Originally Posted by abflip567 View Post
i have checked all the coils and they are sparking to the frame when i tested them, so i am assuming that if the coils are sparking to the frame that all of the wires are good enough, thank you and if you know of any other solutions i would be glad to check them out.

I also had spark, just not very efficient.
 
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