Question about 1989 Mitsubishi Sigma

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Car spluttering when car is ideling or going on the road, the car seems to splutter/sounds like it is running on 3 cilinders

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  • phillip pawson Jan 11, 2009

    one of the pistons had blown

  • phillip pawson Apr 28, 2012

    one cilineder was gone

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5 Suggested Answers

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SOURCE: 1992 lancer gsr 1.8 dohc turbo. 4g93t eng cd5a chassis. start trouble shoot

9.3 is a really dead battery - replace it and check the alternator. I have seen them go bad with no dash indication. As to the oil being black, you may have worn piston rings, and probably need an engine re-build. Worn rings allow the exhaust of the engine contaminate the oil - you should also see increased oil consumption due to the vapors exiting via the PCV valve and being burned in the engine.

Posted on Jul 02, 2008

tommyboinow
  • 324 Answers

SOURCE: i own a mitsubishi shogun

replace the coil pack if that does not help you have an injector problem.

Posted on Nov 26, 2008

  • 73 Answers

SOURCE: Running problem in monsoon season in Daewoo Matiz.

Has the clutch been replaced recently? There is an earth wire under one of the bell housing bolts,if not refitted can cause all sorts of problems.

Posted on Jul 25, 2009

  • 636 Answers

SOURCE: 1997 Mitsubishi Galant 1.8 GDI (EA1A model) spluttering problem

Have you went over all the vacuum lines and checked for cracked or clasped line?

Posted on Aug 25, 2009

  • 523 Answers

SOURCE: I had the GDI done but still not running

I give a look towards the O2 sensor. When an O2 senor fails the ECU will run the engine rich (better to to this then run lean and burn up valves, in running rich the gas mileage goes bad quick) This condition sounds familiar for O2 sensor failiar.
I hope this may have helped,
Tom

Posted on Oct 02, 2009

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