I changed the Transmission Solenoid Pack with a new one and new transmission fluid in attempt to clear the p0700 and p0750 code which make may truck run high at 3 RPM without shifting. The codes are still there and it still runs the same after I did the require maintenance. What should I do now? What could be wrong now with a new pack installed?
My car has 180000 miles.
My car has an automatic transmission.
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