sounds like maf crapped out
and 34 is maf sensor error code low or no signal
malfunction codes reference
Malfunction Codes Reference
check that the hose between turbo and maf is intact , check the connector to the maf , if all looks good time try another maf
if the maf is bad dont bother with the parts store remans
go translator with lt1/ls1 maf or find an oe ac delco bw tagged sensor