ok i ad the seam problem with my 1990 4runner now it was my 1994 4runner, I find the cause of that troubleshooting excuse my englis I am french from North of Montreal ... read and check and see if you see a diference

Since a few monts i am looping for my gaz tank succion problème ,i check evrey were on the Net to find a ansyer but no one find the troublshouting of that problèm .. i find the cause of it .On the gaz tank you have the sending unite and a outher outlet with 4 litel srew take this out you will see a check valve that the problem and inside the ruber hose thers a small filter about ¼ dia x ¾ inch take it out and replace by a small air filter like snowmobile gaz filter.

This probleme was causing spending money on gas to, because a bad reeding of BSV and TVV sensor , now my truck run find and smoot like a Molson golden loll .

Anjoy your ride now

Thank