Question about 2000 Ford Expedition
My Ford Expedition recently started to make these jerking movements. I have no check engine light on, so I can not check it with the code reader that I have. It feels like a cylinder misfire. It feels very similar to when number 8 cyl failed. At that time the check engine light went on and I could identify the proplem. I changed the ignition coil and the spark plug and everything worked just fine. On I have this problem. Could it be the same thing on another cyl? One thing I noticed the problem now is intermitten and happens around 50 MPH. Anybody with an idea of what it is?
I have the same problem. Low rpm a **** or a shudder, high rpm runs fine. Also, at slow acceleration it will cut out then suddenly get its power back. I am looking into it being the being the TPS sensor (Throttle Position Sensor). I think these things can get dead spots. If a check engine light comes on, and you have a misfire, have the code read, chances are you need to change the ignition coil pack. It is just a matter of knowing which cylinder is misfiring.
Posted on Dec 31, 2008
Good Day Tony,
That's an intersting problem.... I would assume that if it was misfiring in a cylinder it would trip your check engine light as it did before. Because it only happens when you are going 50 it might be something else. What happens when you put the truck in park or nuetral and rev up the engine? Rev it up slowly and see if jerks or hesitates at any particular rpm range, I'm just trying to rule out if it's a possible transmission problem or engine problem. Let me know and I can assist further.
Posted on Jun 30, 2008
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