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    mjb1957's Avatar
    mjb1957 Posts: 1, Reputation: 1
    New Member
     
    #1

    Aug 28, 2018, 08:55 PM
    1995 t100 fuel injectors not opening
    Good fuel pressure at the rail fuel injectors not opening. No blown fuses .could it be a faulty ecm?
    ma0641's Avatar
    ma0641 Posts: 15,681, Reputation: 1012
    Uber Member
     
    #2

    Aug 30, 2018, 02:02 PM
    ECM/ECU but I would first look for a fuse or relay.
    CaptainRich's Avatar
    CaptainRich Posts: 4,488, Reputation: 537
    Cars & Trucks Expert
     
    #3

    Sep 6, 2018, 03:34 PM
    If the scan tool shows cranking RPM while trying to start, you can rule out the crank sensor and ECM. You have to have cranking before you have injector pulse.
    kitch428's Avatar
    kitch428 Posts: 1,428, Reputation: 152
    Ultra Member
     
    #4

    Sep 9, 2018, 10:00 AM
    First off, you MUST have a check engine light with the key on and engine off. If you don't, then start looking into the EFI fuse under hood. And or EFI main relay. That's the protection for the ECM. For the reason that blowing, a trained tecnician must look for it.

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