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rpmdiag, Tech and Instructor
Category: Ford
Satisfied Customers: 8147
Experience:  Since 1975
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2002 f250 has difficulty shifting up between 45 -55 mph.

Customer Question

2002 f250 has difficulty shifting up between 45 -55 mph. Causes a stutter /vibration. If I give it more gas it will shift through n drive fine. What is likely cause of hesitant shifting?
JA: Has the vehicle turned into a gas hog? And how does it start -- same as usual?
Customer: Starts the same, could be using more gas, seems to get ~16 mog(5.4 gas) don't have much experience with this truck only had for ~1 month
JA: Are you fixing your F250 yourself? What have you tried so far?
Customer: Would like to do myself, put limited slip in rear end, checked all fluids, train n rear n they are at correct levels, nice clean fluid on trani not sxorched
JA: Anything else you want the mechanic to know before I connect you?
Customer: ~97,000 miles, engine runs well, u joints seem real tight
Submitted: 1 year ago.
Category: Ford
Expert:  rpmdiag replied 1 year ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 1 year ago.

There's a variety of things it can be, so start with checking the fluid level and color.

Check the shift solenoids with a scan tool.

Drop the pan and check for metal shavings.

Check the valve body.

Check the clutches, the basic inspection items.

Thanks, Ron

Expert:  rpmdiag replied 1 year ago.

Hi, I'm just following up with you to see if you have any more questions.
Thanks, Ron