I have a chevrolet trailblazer 2003 4.2 2WD...I got a
code of P0756 shift solenoid b performance or
stuck off..car doesn't go more than 35 40
mph...and having trouble shifting. ..lack of power.
...need help...any input on what to do ...thanks
Have a tranny shop check it, it could just be the solenoids, put the pressures need to be good also.
Replace the shift sensors in the tranny there are only 2 not hard to do but you have to remove transmission pan and filter and you will see them
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