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running on 3 cylinders? rough idle.

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Old Feb 15, 2010 | 05:06 PM
  #16  
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From: delco PA...philly
im taking it to a shop now to get looked out. ill let u guys know whats up later this week. fml.
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Old Feb 15, 2010 | 05:16 PM
  #17  
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Is a coil
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Old Feb 15, 2010 | 07:45 PM
  #18  
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From: delco PA...philly
u sure? hes gonna check for spark tomorrow so if theres no spark then its gotta be the injector.
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Old Feb 15, 2010 | 07:58 PM
  #19  
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Originally Posted by speedfreak24
u sure? hes gonna check for spark tomorrow so if theres no spark then its gotta be the injector.
"if there is no spark then its gotta be an injector??? You kiddn rite?

Yes im sure. is a coil, Its on and off , i bet you is a coil bro
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Old Feb 15, 2010 | 08:16 PM
  #20  
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From: delco PA...philly
Originally Posted by crewdawg130
"if there is no spark then its gotta be an injector??? You kiddn rite?

Yes im sure. is a coil, Its on and off , i bet you is a coil bro
yeah pretty stupid question duh. idk i havent really messed around with plugs and coil packs before so this is all new to me. my evo ran great for the year and a half that ive owned it. this is the first problem with it. civics on the other hand i know alot more about.
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Old Feb 16, 2010 | 05:16 AM
  #21  
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From: Fayetteville, NC via Puerto Rico
Nah is all good. this just happened to one of our outta state customer. he took it to 3 different Mitsu dealers. They told him it was injectors and tune and cables and plugs and blah blah blah. He brought it over and in 15m he was fixed. so don’t let them tell you is injectors if you got spark... but I would swap coils with a buddy. I tell ya is a coil.
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Old Feb 16, 2010 | 04:20 PM
  #22  
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From: delco PA...philly
do evo 8 coils work on 9's? r they the same? i already bought 9 coil packs they should be here tomorrow or the next day.
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Old Feb 17, 2010 | 11:35 AM
  #23  
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From: Fayetteville, NC via Puerto Rico
yes all you gotto do is install your boots
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Old Feb 17, 2010 | 11:57 AM
  #24  
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From: ireland
to solve missfire problem then always check plugs and check coils before anything else, coils are a simple fix. 10 min job on your own. might be a good time to change for the 4 coilpack option,
http://www.sparktechignitions.net/st...products_id=49
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Old Mar 3, 2012 | 03:52 PM
  #25  
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From: scotland
please help i have the same problem.what was the outcome?
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Old Apr 3, 2018 | 05:48 PM
  #26  
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From: quebec,canada
Hey do you have a update about that?

my car seem to run on 3 cylinder but i have spark....

thanks
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Old Apr 3, 2018 | 06:38 PM
  #27  
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I just told my tuner 2 weeks ago that my evo sounded like a WRX. He laughed at me and told me to check my plugs. While I was doing that, I decided to do a compression test and found cylinder 3 had 90 psi. I paid his shop to do leak down test and found cylinder 3 intake valve was leaking back into intake manifold. So I pulled my head and dropped it off at machine shop.

Look at post #198 for my exact words.
https://www.evolutionm.net/forums/ev...stions-14.html
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Old Apr 4, 2018 | 05:08 PM
  #28  
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From: scotland
Yes I sent my injectors away for inspection, spray pattern on 2 of them were none nearly none existent due to dirt in the injectors. So had them sonic blasted. Came back and problem solved.
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Old Apr 4, 2018 | 05:15 PM
  #29  
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Originally Posted by m88lty
Yes I sent my injectors away for inspection, spray pattern on 2 of them were none nearly none existent due to dirt in the injectors. So had them sonic blasted. Came back and problem solved.
you caught it before doing damage to your engine.
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