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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 35506
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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1992 F150 trans shifts hard

Resolved Question:

I have a 1992 ford F150 with 91,885 miles on it, started to shift hard recently shifts hard in all gears but some times worse than other times,if you drive easy seems like it doesnt do it at all. this is the 4speed trans .replaced speed sensor rear diff. did not help. hat to trust trans shop know what I mean can you help, thanks
Submitted: 9 years ago.
Category: Ford
Expert:  Ron replied 9 years ago.

Hello Markford,

The likely cause of the transmission shifting hard is likely due to a bad PSOM (programmable speedometer odometer modual. A code scan will show a code 452. The fix is to replace the PSOM.graphic

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