me soarer wont go backwards

[SAMCELSIOR]

hey there i have a jzz3o soarer the 1jz version and it has all drive gears goes fine but it will not go in reverse if you rev it it moves but not enough to use revers any one had this problem or no what it could be cheers guys

 

[MX73 V8]

I assume this is auto.

Check the auto fluid level.

 

[SAMCELSIOR]

hey there yeah i checked that and its fine if any thing there may be a little to much but its very starnge it drives fine but reverse just does not work i thought maybe a solinoid may have gone