idle

  1. C

    Creeping, slightly high idle.

    I live in my expedition so I idle a lot. When the vehicle hasn’t been running for a while, it starts at 600rpm. But slowly it’ll get all the way up to 900, especially with the AC on. I turn the ac off and it stabilizes at around 850, turn it on it goes up to 950. Also the engine will make...
  2. B

    Mystery sounds and stalling issue

    Hey guys! First time expy owner, and I'm having some issues I can't figure out. There's a stalling issue that occurs at idle when the engine is cold, if I brake hard, or if I'm in reverse. I cleaned out the iac valve and replaced the gasket but the issue hasn't gone away. I also have this loud...
  3. G

    Idle problems

    I have the 2000 Expedition with the small v-8. A few weeks ago the idle speed started wavering after I would slow down at a stop. It will rise and fall about 4 times and then it will steady out and be fine. Until the next time I came to a stop. Sometimes it will fall so far the engine will...
  4. N

    Stalling vehicle stalling life

    Hello, I have a 2008 expedition limited. It is causing me a huge headache. It likes to stall out. I could be sitting at red-light or drive-thru (vehicle in drive) and then, BAM! it stalls. It fires right back up though. It also stalls when going in reverse. Once again fires back up. If you...
  5. H

    Help Identify! Broken Engine Part

    2007 EL with 370k miles. Took it in for the following reasons: transmission/engine (not sure which) shuttering in the 30-40mph range. There was also an occasional cylinder 1 misfire - compression fine and plug/coil pack no issue. Somewhat rough-ish idle, nothing extreme. Anyway, the mechanic...
  6. J

    Catalytic Converter Replacement

    After dealing with a ton of no-start, misfire, and excessive rich conditions, I believe my passenger side catalytic converter is done for. My 05 Expedition EB 5.4L 3V 4x4 takes some time to start. It cranks for a good 5 seconds when cold starting and has a rough idle in drive gears and...

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