Engine - Start then shut off?!?! | Ford Escort Owners Association (FEOA)
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Engine Start then shut off?!?!

Discussion in '2nd Gen 1991-1996 1.8L DOHC' started by GROVER91GT, Apr 12, 2016.

  1. GROVER91GT

    GROVER91GT New Member

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    Hey guys I'm new here. Iv been working on my 91 1.8 for a while now just trying to get it running right and I don't know what to do. It will start for 45 seconds then shut off. And it just happened after replacing the thermostat. Since its been down iv done the fuel pump, fuel filter, fuel pressure regulator, alternator, and mass airflow sensor. Iv talked to the ford dealership in my town and the don't know what's going on with it. If you could send me in the right direction it would be much appreciated
  2. DrunkinMist

    DrunkinMist FEOA Member

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    Sounds like a vacuum leak after the maf. Did you reconnect the uac hose?
  3. AWeb80

    AWeb80 FEOA Member

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    wow.....my 95 EGT is doing the SAME thing. I replaced the thermostat and fuel filter and 3 days later it won't hold an idle.

    Start the car when cold and it runs for a few seconds...then dies. when warm it will start and die right away. No power under 2k rpm when driving and it is VERY jittery and lurchy. Basically undrivable in low gears.
  4. rdbpdx

    rdbpdx FEOA Member

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    Look for an air leak around the intake hose. A lot of times the ribbed portion will crack and cause idling and everything else to go haywire with the un-metered air entering the engine.

    Also check if the VAF electrical connector isn't fully connected. I've had it run for 5 seconds and then shut itself off when this connector wasn't on or fully connected.

    Only other thing I would have you look at is the coolant temp sensor (right above the thermostat) but the behavior I experienced was that when the car was transitioning from cold start to warm operation mode the rpm's would go crazy and I had to play with the gas to keep it going.

    when doing the thermostats what all did you remove? I would go back and make sure everything was connected up properly.
  5. marclar

    marclar Moderator Staff Member

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    somethings unhooked.
  6. Series 1 RS turbo

    Series 1 RS turbo FEOA Member

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    Maybe try spraying some carb cleaner or starter fluid on the vacuum lines the engine will rev up or stall by doing this so you can pinpoint the leak., also check the ignition tumbler and make sure it's not rotating back to off, a few people have had this problem too Hope it's a easy fix for you.
  7. luislop

    luislop FEOA Member

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    gotta second, the "unhooked" part, get your hands deep in there, including under the car behind the engine and check all those little hoses that go in there.

    maybe something got loose while you did the work on the thermostat. get a high powered flashlight and really look in there. i say this from experience, in my case it was the hose that comes off the rear intake manifold on my zx2 , it was loose and would cause my engine to start then shutdown inmediately unless i gave it gas.

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