blow out distributor with air , check timing, or take a big hammer to it.
I was told it could be bad fuel pump.
wont kickdown into passing gear
Check your coolant. Is it thick and gunky?
Do you have automatic locking hubs on the front axles?
You are missing fuel or spark.
Does it turn over? Does it have fuel, spark, and compression
NO. In the late month of 1999 chevy completely REDESIGNED EVERYTHING on the chevy trucks and nothing over the year of late 1999 will interchange with anything under the year of 1999. It wont fit.
Something is wrong with your 2000 Chevy Venture. Better information get's better answers.
Bad temperature sending unit? Bad gauge?
Bad transmission? Bent shift linkage?
if it is cranking but wont start check for spark, fuel, air and compression.