No start when slightly warmed up | Ford Escort Owners Association (FEOA)
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No start when slightly warmed up

Discussion in 'Tech & Repair' started by btmb1982, Feb 28, 2019.

  1. btmb1982

    btmb1982 FEOA Donator

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    This is my 1996 1.9 Escort wagon with manual trani. The engine is from a 1993, does not have some of the later emissions stuff hooked up, but has been running fine for almost 2 years until about a week ago. Drove about .25 mile up driveway then stopped and turned off to check mail. When tried to start again it turned over fine, but would not start. Spouse came up to help and when he floored gas pedal (after about 5-10 min of poking at wires) it started. Took it back to house and since then it will start when cold, but not again after running a few minutes and then being shut off. Tested with induction timing light and does have current going to ignition coil (what I call distributor)
    Thinking sensors, maybe regulating fuel? so unplugged the two on the air intake and when cold it managed to start reluctantly. I can't say how or if would start when really warmed up to full operating temp, have not taken on the road.
    Hoping someone has a "been there, did this" suggestion or at least some usual suspects. Have not tried a code check, after this last engine change the check engine light went out but pretty sure it was the bulb not some miracle.
    Thanks for any help, miss my wagon, now using the Swift with amazing mpg but not much usable room.
    Linda MMB
  2. btmb1982

    btmb1982 FEOA Donator

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  3. rbailin

    rbailin FEOA Member

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    My "been there, done that" was when I disconnected the flexible intake hose on the throttle body and then failed to notice that it wasn't really on properly when I thought I reconnected it.

    Also, when I was reassembling my engine, I didn't notice that one end of the EGR valve gasket has fallen down, leaving a large air leak whistling until I fixed it.

    A large, unmetered air leak will allow the engine to run for a few minutes while cold because the mixture is rich enough to compensate.

    A leaky fuel injector will also start when cold, because the mixture can be overly rich and still run. Cranking the engine with the gas pedal fully depressed shuts off the fuel injectors and allows you to clear the engine if it's flooded.

    Next time it happens, remove one or more spark plugs and see if they're wet with gas.
  4. btmb1982

    btmb1982 FEOA Donator

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    Thank you, sending to spouse for his use
    Maybe should mention it runs fine when it starts cold, will idle until we shut it off then not start again until it cools off or at least has been sitting for a bit.
    We will check the plugs and look for air leaks. Does feel like air/fuel thing but that is a big area to cover. Is there something that shuts off the fuel if sensing incorrect air flow?
    Linda MMB
  5. btmb1982

    btmb1982 FEOA Donator

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    Think it's feeling better now. Reset inertia fuel shutoff switch, and added a quart of oil and it did fine starting all today doing yard sales and thrift stores.
    Yeh, is good to have the wagon back.
    Linda MMB
    rbailin likes this.
  6. Intuit

    Intuit FEOA Member

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    This is usually a (LARGE) vacuum leak or timing belt slip. It's been awhile since we've seen an 'inertia switch' post.
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  7. btmb1982

    btmb1982 FEOA Donator

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    I thought was a broken timing belt, been that-done there before and was same symptom. But spouse checked and found valve movement when turning. Do not really understand why started when stone cold, but inertia switch was definitely up and is working well now. Even seems to be less chugging when accelerating at low rpm (less than 2K) than it did before this current issue and since the engine change 2 years ago.
    Thanks for all the input, heading east on 3 month RV journey April and Escort is toad. Wish us luck at least as far as our favorite mech in Ohio...the engine change 2017 and a broken head bolt/blown gasket last year.
    Linda MMB
  8. zzyzzx

    zzyzzx FEOA Member

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    Check for vacuum leaks anyway. The PCV elbow and EFE lines (hidden under the air cleaner box) are common places for vacuum leaks.
  9. btmb1982

    btmb1982 FEOA Donator

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    Will do. It will have a mechanical spa day before we leave with lots of checks.
    Current project is replacing ignition switch/key lock. For past couple years use key to lock column and open locked doors, screwdriver to start car. Will be feeling pretty ritzy, hope car does not decide am getting ready to sell and say no way.
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  10. Intuit

    Intuit FEOA Member

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    zzyzzx likes this.

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