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Engine shut off when transmission was shifted into gear and Code P1704

Tiny
RBUCK08
  • MEMBER
  • 2000 FORD EXPEDITION
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
I've read about this on several sites, however, I'm still not sure.
My vehicle was running fine, other than sometimes I had to put it in neutral to start it. Then all at once it shut off as soon as I put it in gear. It will run fine in park and will go in reverse, but that's it. I connected a scan tool as was given a few code: P0705, 0743, C1185, and P1704. I cleared them and only got P1704 after. I've already taken the transmission apart, so I'm unable to get it moved. Is it the transmission control solenoid/pack or could it be something else?
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Monday, February 24th, 2020 AT 4:30 PM

25 Replies

Tiny
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Good evening,

It will tough to diagnose this with the transmission out and apart. All the testing is done with it in the car and hooked up to a scan tool.

1704 is the transmission range sensor. Nothing to do with your issue.

The one thing you will need to replace is the torque converter. That is most likely the reason for stalling. The clutch inside may be locked and causing it to stall. Common failure.

Roy
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Monday, February 24th, 2020 AT 5:36 PM
Tiny
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Hey Roy,
I think I was wrong about the last code in my original question. I believe it was the 0743. This is the part they say it is and is the part I took out.
Thank you for your time and help.
Robin
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Monday, February 24th, 2020 AT 6:30 PM
Tiny
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Okay, this could be the issue but needs to be verified. It could also be the internal wiring harness.

I would still replace the torque converter.

Roy
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Monday, February 24th, 2020 AT 6:35 PM
Tiny
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Would this be related to having to put it in neutral to start it?
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Monday, February 24th, 2020 AT 6:40 PM
Tiny
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That is the other code for the range sensor. That would effect it starting in neutral.

Roy
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Monday, February 24th, 2020 AT 6:44 PM
Tiny
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Where is that part located?
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Monday, February 24th, 2020 AT 6:48 PM
Tiny
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On the side of the transmission by the shift cable.

Pictures attached.

Roy
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Monday, February 24th, 2020 AT 6:52 PM
Tiny
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I was told this part was replaced a couple years ago. What could make it go out? I hauled some railroad ties about 6 months before it went out and have always wondered if that messed with something.
Robin
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Monday, February 24th, 2020 AT 7:07 PM
Tiny
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That was 2 years ago and this is now. It wears out. Replace it since the transmission is out.

Roy
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Monday, February 24th, 2020 AT 8:00 PM
Tiny
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Did you respond? I got an email but nothing came through.

Roy
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Tuesday, February 25th, 2020 AT 3:46 AM
Tiny
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Roy,

I hadn't responded, I fell asleep, my apologies. I was questioning the part due to it costing $300.00 to replace (plus the estimate 8 quarts of transmission fluid). I was hoping for something cheaper. I've been looking on rockauto. Com for the part. I just don't think I'm finding the right one.

Robin
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Tuesday, February 25th, 2020 AT 8:55 AM
Tiny
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What part? The solenoid pack or the park/neutral switch?

Roy
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Tuesday, February 25th, 2020 AT 10:30 AM
Tiny
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The solenoid pack.

Robin
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Tuesday, February 25th, 2020 AT 10:31 AM
Tiny
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I attached the solenoid pack. But remember, you still need a torque converter.

Roy
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Tuesday, February 25th, 2020 AT 10:43 AM
Tiny
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I finally have the new solenoid pack. I was going to install it today, then came across another problem. When removing the old one, I took off the value body causing 4 little balls to fall out. I cannot find anything, anywhere, that says where those go. Can you help?
Thanks in advance,
Robin
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Friday, May 1st, 2020 AT 10:01 AM
Tiny
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Okay, I attached a diagram for you with all the check ball locations.

Roy
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Friday, May 1st, 2020 AT 10:14 AM
Tiny
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That's bigger than what I have. I've attached a photo of mine.

Robin
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Friday, May 1st, 2020 AT 10:25 AM
Tiny
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What transmission do you have?

Is it the 4R100, C6 or the E4OD?

The standard id the 4R.

Roy
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Friday, May 1st, 2020 AT 10:28 AM
Tiny
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I have the 4R100.
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Friday, May 1st, 2020 AT 10:28 AM
Tiny
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I just double checked and that is the diagram for the valve body for the 4R100.

Roy
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Friday, May 1st, 2020 AT 10:33 AM

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