5R55E no upshift after kickdown | Ford Explorer Forums

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5R55E no upshift after kickdown

wollimann

Well-Known Member
Joined
July 19, 2011
Messages
603
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299
Location
Europe Germany
City, State
Europe (Germany)
Year, Model & Trim Level
1997 4.0 sohc xlt
Hi at all,

i did not notice this behaviour cause i normally don't use the kickdown with throttle full open.
But the last time on a highway i have to push down the paddle
and the engine runs nearly to 6000rpm without shifting up.
I lifted up the paddle a little bit an it shifts up.
In normal driving situations everything is ok.
A year ago the transmission and valvebody was rebuilded,
the valvebody became the sonnax zip kit.
Did someone have had this issue?
Which parts could be involved? TPS, solenoid, DTR sensor, ...?

kind regards

Wolfgang
 






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