Stalling at idle | Ford Escort Owners Association (FEOA)
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Stalling at idle

Discussion in '2nd Gen 1991-1996 1.9L SOHC' started by kuwacs, Dec 15, 2011.

  1. kuwacs

    kuwacs FEOA Member

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    A little background: my 95 Ford Escort 1.9 has 123k miles on it. I just did an oil change. I've done Air Filter, Fuel Filter, Plugs, Wires, cleaned the coil pack, cleaned the EGR, cleaned connectors to just about everything. Cleaned the IACV a little. I've looked for some vacuum leaks, replaced the PCV elbow. Checked the valve (was clean, free moving, might still replace as it seems "too free"). I've also ran SeaFoam a few times with good results. It took away a lot of hesitation and struggling the car had when I got it. But unfortunately never fixed this problem!

    What happens is while idling, hot or cold (although it seems to take longer cold), my car will stall at random. It usually happens when I leave it in the driveway to warm up, or at long stop lights. It takes approximately a minute. The perplexing thing is that sometimes it will start coughing and shaking and die. Other times it will just turn off without warning.

    One thing that used to keep it from stalling was running the A/C compressor. If I had the A/C or Defrost on, the car wouldn't stall. Oddly enough, this recently stopped helping.

    This problem has been going on since I got the car at 109k. The above maintenance was performed in hopes that it would fix it, but of course never did....haha

    What are some other reasons it'd be doing this to me?
  2. kuwacs

    kuwacs FEOA Member

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  3. dlbdata

    dlbdata New Member

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    Was wondering if you ever figured the problem out? I'm having similar problem.
  4. JMHershey125

    JMHershey125 New Member

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    I just replaced my Vacuum lines going to my charcoal canister, that fixed my idle dip problem, and my a/c stall. remove the air box and you can see the canister.
  5. Intuit

    Intuit FEOA Member

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    Any modifications ?

    Pull codes immediately after stall.

    Foot on accelerate prevents stall correct ?

    Only under three separate circumstances have I had that issue. First time was an Idle Air Control solenoid. Second time was a large vacuum leak. (lost an end-cap) Third time was a dirty Mass Air-Flow sensor.

    The dirty MAF caused idle issues that were heavily dependent upon ambient temperature. Never had an issue during Fall through early Spring. From mid-Spring through Summer it had a low idle. Only on THE scortch'n hottest days of the Summer could I reproduce the stall.

    How to read vacuum gauges: http://www.secondchancegarage.com/public/186.cfm Be sure to check out the interactive animated GIF at the end of the article.

    Instructions on how to test EGR, various sensors including O2 are under the "Random FYI" thread.
  6. zzyzzx

    zzyzzx FEOA Member

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    I also think you have a vacuum leak at the hose going to the charcoal canister.
  7. Nelson

    Nelson FEOA Member

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    Just for fun did you try cleaning the blade/throttle body interface? Take some carburetor cleaner and an acid brush and thoroughly clean the area around the throttle body blade and the throttle body itself. I was told that if it gets gummed up at the interface it will hold the throttle blade open just thousanths of a millimeter. This small amount will send a false signal back to the PCM thinking the throttle is open when it is actually at idle. It is a cheap and easy tip that may help you.
  8. kuwacs

    kuwacs FEOA Member

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    I actually just replaced the IAC. Got a cheap replacement from Amazon.com and threw it on. Problem cleared right up!

    Thanks though! I never thought of using an acid brush.

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