Si escribo este codigo funciona
Código PHP:
$filtro="Select turf_carrr.*, turf_poscns.* from turf_poscns
LEFT JOIN turf_carrr ON turf_poscns.idcarrr=turf_carrr.idcarrr
Where turf_poscns.idcabll='$idcabll' and turf_poscns.poscn !='0' and turf_poscns.poscn !='00' and turf_poscns.poscn !='NC'
";
Código PHP:
$filtro="Select turf_carrr.*, turf_poscns.* from turf_poscns
LEFT JOIN turf_carrr ON turf_poscns.idcarrr=turf_carrr.idcarrr
Where turf_poscns.idcabll='$idcabll' and turf_poscns.poscn !='0' and turf_poscns.poscn !='00' and turf_poscns.poscn !='NC'
order by idcarr desc ";