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1993 Mitsubishi Diamante 3.0 DOHC misfire

Tiny
JAWAC
  • MEMBER
  • 1993 MITSUBISHI DIAMANTE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
I have a 1993 diamante that has 2 dead cylinders, # 3 and 6, I replaced the ECM with a rebuild, I could not afford a NEW one, seems to not be getting a signal from ECM to power transistor, Oh yeah I replaced it too. The tach is not reading either
Monday, December 28th, 2009 AT 7:42 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This 2-dead cylinders what is the compression on it-if its low its useless to replace the computer its not gonna fix the problem-
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Monday, December 28th, 2009 AT 7:49 PM
Tiny
CHOBEECHIC
  • MEMBER
  • 3 POSTS
Now if you just put it on the computer to tell you about the misfires then there are a few things it could be if you actually checked each cylinder if they are firing then you need to replace the cylinders.
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Friday, December 9th, 2011 AT 7:49 AM

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