Engine cutting out..or torque converter? - Ford Powerstroke Diesel Forum
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Old 01-27-2013, 02:27 PM
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Engine cutting out..or torque converter?

I have noticed an issue with my 2002 f250 extended cab...I'm not sure if its a transmission issue or motor issue. Maybe its normal...just wanted some opinions.

If I am coasting down a hill, foot off the gas, and am going aprox 45 miles per hour the motor sounds as if it is cutting in and out.

In other words, sometimes when you take your foot off the gas at highway speeds, you can barely hear the motor. I don't know much at all about torque converters but I assumed this is why it is so quiet. Keep slowing down and eventually you hear the motor "come alive". I assumed this is the torque converter locking or unlocking.

But if I am right around 45 miles per hour, it comes and goes rapidly. Almost sounding like the motor is dying. Give it some gas and it doesn't hesitate at all.

Is this a torque converter issue since it is only around 45mph? Is it normal or do I have a problem? I hope I explained it to where its understandable. Thanks in advance.
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Old 01-27-2013, 04:45 PM
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Forgot to mention....it [B]only[B] happens when coasting. No problems whatsoever when giving throttle
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Old 01-27-2013, 04:59 PM
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Mine does the same thing. I think the converter unlocking is what you are hearing when it comes back to life. Rpm's drop down to idle speeds at this time too, right? Mine has always done this. I'm assuming it is normal...
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Old 01-27-2013, 05:03 PM
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Ok I hope so
Just kind of annoying, everytime around that speed it locks and unlocks. I figured it can't be good to be doing that. In my mind thats more wear, but I guess its built to handle it. Thanks for the reply
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