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2G Spark, Fuel, Crank, NO start

Posted by got_lime, Mar 10, 2019

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  1. got_lime

    got_lime Probationary Member

    3
    0
    Joined Mar 10, 2019
    Lakeland, Florida
    Sup DSMers,

    '95 Eclipse GS M/t. Hasn't run since January.

    What's been done so far:
    - New battery (always charged ready to go)
    - New fuel pump/pump assembly
    - Cut wire for anti-theft system (kept it from cranking before)
    - Made sure CTS was cleaned up and connected securely

    How do I know it has fuel?
    -Fuel getting to fuel rail at pressure
    -Spark plugs appear wet with fuel, but can't confirm fuel is getting through injectors at pressure

    How do I know it has spark?
    - Pulled each plug, connected it to plug wire and battery cable while cranking and visually got spark (done with each wire)

    I've just been guessing at this point, and trying to find little things here and there that may be it but I can't find another thread that has the same or even similar issues, at least with a solution. Maybe I'm not looking hard enough.

    Anything helps. I'm pretty novice to this so, I may have easily overlooked something simple. Thanks!
     

    146  1

    1995 Mitsubishi Eclipse N/T
    manual · 2G DSM
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  2. BLACK'98DSM

    BLACK'98DSM Proven Member

    141
    21
    Joined Feb 9, 2019
    Hoover, Alabama
    If the plugs are wet with fuel, then it is most likely lacking spark or compression. Have you tried new spark plugs? If so, run a quick compression test. Also be sure that the plugs are wet with fuel and not oil... WTF
     

    Street Build 544  2

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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  3. spyderdrifter

    spyderdrifter Freelancer

    3,217
    279
    Joined Jul 11, 2009
    Colorado Springs, Colorado
    You'll be able to tell if the plugs are wet from fuel or oil, they are each different visually. Smell the plugs as well. I don't remember if the 420A engine has a check valve on the end of the fuel rail or not. The 4G63 doesn't. So if your engine does, push in the valve while someone cranks the ignition. If fuel comes out, you should bee getting enough fuel, but maybe not enough pressure. If no fuel comes out, check the pump relay. If you are checking for spark properly and seeing spark, then the ignition should be fine, and perhaps the compression is down. Test that while doing everything else. You may be new-ish, but at least you're asking for help, and not assuming you know everything and deciding not to ask. Good luck.
     

    882  3

    1995 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM

    613  2

    1996 Eagle Talon TSi AWD
    awd · manual · 2G DSM

    1K  5

    1999 Mitsubishi Eclipse N/T
    automatic · 2G DSM
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  4. got_lime

    got_lime Probationary Member

    3
    0
    Joined Mar 10, 2019
    Lakeland, Florida
    Thank you gentlemen for your replies.

    It's running now. Gas tank was bad (rusting and such from the inside) so after replacing it, new filter, and cleaning out the lines, it runs amazing.
     

    146  1

    1995 Mitsubishi Eclipse N/T
    manual · 2G DSM
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  5. BLACK'98DSM

    BLACK'98DSM Proven Member

    141
    21
    Joined Feb 9, 2019
    Hoover, Alabama
    Awesome. :thumb:
     

    Street Build 544  2

    1998 Mitsubishi Eclipse N/T
    fwd · manual · 2G DSM
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