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#2545094 - 06/19/12 09:22 PM transmission problem
bigmell85 Offline

Registered: 08/05/10
Posts: 29
Ok guys I'm having a trans problems. Let give u a quick back round to get u up to speed to where I'm stomp at I have 97 p71. My trans went up on me two months ago I swap it out with a 98 p71. I swap the main plug on it work fine. My motor went up on me I swap it out with another 97 motor. While I was putting in the motor the trans slip off the Jack I had it on while the harness was still hook up to it I put it back on the Jack finish putting in the motor ran fine for three day then it started throwing trans codes p1747 p 0750 p0755 p0743 and p0720 and I'm like no way all these codes at ones and the car when into limp mode no shifting

Here's what I've done already I've change the harness no go I've change speed sensors both of them no go I've change the shift solenoid and the tcc no go I've even change the throttle position sensor no go

I'm stomp what to do from here?
What else to try?
Or just say f*** it put another trans in
97 CVPI 324000
01 p71 234000
03 p71 108000

#2545403 - 06/20/12 12:16 PM Re: transmission problem [Re: bigmell85]
bigmell85 Offline

Registered: 08/05/10
Posts: 29
Nobody responded so I guess that mean just change the trans huh
97 CVPI 324000
01 p71 234000
03 p71 108000

#2545408 - 06/20/12 12:21 PM Re: transmission problem [Re: bigmell85]
Bangster Online   content


Registered: 11/30/01
Posts: 9332
Loc: Tucson Az
If you changed the harness on the transmission already, then it sounds like your going to need to check the harness on the car itself, a new transmission won't help that. Specifically want to check the power and return lines on the cars harness.
00 Grand Marquis LS Premium - 97 Cougar 4.6 Sport - 89 Cougar LS - 63 Falcon 302 - 82 F-150 - 97 Mark VIII LSC - 2017 Escape SE - 2012 Fusion Sport AWD

#2545412 - 06/20/12 12:28 PM Re: transmission problem [Re: bigmell85]
hellraiser319 Offline
Over the Hill

Registered: 01/26/10
Posts: 1562
Loc: Moline, IL
Only thing I can say, grab a meter and start investigating...if all the sensors are not working and throwing codes, could be an issue where the main feed is not supplying power to the solenoids/sensors. Could be a short, could be a broken wire, could be a loose/damaged connector. Hard to tell though without inspecting all the wiring. If it's throwing codes for all the sensors and solenoids though, seems electrical, doubt the transmission itself is shot, nor will putting a new one in would solve it.

Chris H.
03 CVPI & 96 Aspire, see fquick link for info
MECP Advanced - CEA170106 - Best Buy #0023 - Moline, IL
XBL, PSN, FB, FQuick, TCG = hellraiser319

#2545418 - 06/20/12 12:34 PM Re: transmission problem [Re: bigmell85]
2008MGM Offline

Registered: 09/07/07
Posts: 266
Loc: Richmond, VA
In this posting, is the word "stomp" supposed to mean stumped? Also, no disrespect, but it would be easier for everyone reading your posting if you would use punctuation marks; it's a bit jumbled and hard to understand.
2008 Mercury Grand Marquis LS - Silver Birch Metallic - 143,XXX miles - Dual exhaust system, Jensen double-din stereo unit with Bluetooth, GPS, Infinity Basslink subwoofer/amplifier, back-up camera


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