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1994 F250 E40D Shift Problem

 
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Old 05-14-2019, 10:03 AM
White Light
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1994 F250 E40D Shift Problem

1994 F250 460 engine, E40D Transmission. While driving 40mph, transmission abruptly downshifted to 2nd gear. I stopped for school bus moments later. The transmission, while in "Drive", would not shift out of first gear. I manually shifted selector to 2nd gear which it abruptly shifted into 2nd. I shifted it back into Drive, it would not leave 2nd gear. Since event, I have replaced speed sensor and neutral/safety sensor. Neither has helped. I am not getting any codes. Any ideas?
 
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Old 05-14-2019, 01:56 PM
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Originally Posted by White Light View Post
1994 F250 460 engine, E40D Transmission. While driving 40mph, transmission abruptly downshifted to 2nd gear. I stopped for school bus moments later. The transmission, while in "Drive", would not shift out of first gear. I manually shifted selector to 2nd gear which it abruptly shifted into 2nd. I shifted it back into Drive, it would not leave 2nd gear. Since event, I have replaced speed sensor and neutral/safety sensor. Neither has helped. I am not getting any codes. Any ideas?
Are you not getting codes on the CEL on the dash or not getting codes by using a reader or jumper? Sandy
 
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Old 05-15-2019, 07:45 AM
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Hi Sandy, the last code I got on a obd1 reader was egr related, 327 I believe, and shouildn't have had anything to do with the transmission I don't think. I did however replace the sensor which removed that code.
 
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Old 05-15-2019, 08:29 AM
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[QUOTE=White Light;18654036]Hi Sandy, the last code I got on a obd1 reader was egr related, 327 I believe, and shouildn't have had anything to do with the transmission I don't think. I did however replace the sensor which removed that code.[/QUOTE

My last E4OD problem was caused by corroded capacitors in the computer PCM. Without codes I suggest you pull the PCM and inspect it since the E4OD is controlled by it. Sandy
 
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Old 05-15-2019, 04:44 PM
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What's the fluid level?
 
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Old 05-16-2019, 07:11 AM
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Originally Posted by mrollings53 View Post
What's the fluid level?
Fluid level is good.
 

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