99 7.3 high rev and will not shift into 2nd until letting off acc - Ford Powerstroke Diesel Forum
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post #1 of 17 Old 12-02-2013, 07:58 PM Thread Starter
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99 7.3 high rev and will not shift into 2nd until letting off acc

I have a early 99 f250 SD 7.3. I have a bully dog triple dog and banks ram air cold air intake. I have deleted my muffler and it has been running great but about 3 day ago as I was driving around town I noticed that it did not want to shift from first to second. I have to rev it up to about 3000rpm or so and then let off the acc to "trick it" into second. All other shifting is great and down shifting if fine also. What could it be?
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post #2 of 17 Old 12-02-2013, 07:59 PM
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trans fluid up? When was the last time you changed it?
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post #3 of 17 Old 12-02-2013, 07:59 PM Thread Starter
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BTW it only has 130,000 miles on it
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post #4 of 17 Old 12-02-2013, 08:00 PM Thread Starter
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Changing it and the filter tomorrow. I will post any changes
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post #5 of 17 Old 12-02-2013, 08:01 PM
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Changing it and the filter tomorrow. I will post any changes
what are you getting for ATF?
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post #6 of 17 Old 12-02-2013, 08:02 PM Thread Starter
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What would you recommend?
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post #7 of 17 Old 12-02-2013, 08:31 PM Thread Starter
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What do you think of Amsoil?
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post #8 of 17 Old 12-03-2013, 01:15 AM
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take your chip off and see how the trans shifts.

bully dog isnt the greatest chip for your trans

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

Dad-2000 7.3 109k miles, Autometer Gauges, Superchips 1705, AIH Delete, 6637, 4" TBE, BD Billet Wheel, TruCool Max
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post #9 of 17 Old 12-03-2013, 05:13 AM Thread Starter
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I tried that the day before yesterday and it did not help
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post #10 of 17 Old 12-03-2013, 05:15 AM
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use motorcraft trans fluid and get some Lucas oil, they make some for freeing up sticky solenoids!
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