I'm a 1981 community tech institute grad mechanic for gas Eng now I work on big trucks-diesel. I've had good success with lucas oil treatment.Its abt the best additive I've used. Add the Lucas with Eng at operating temp. Drive abt 20 miles it should fade away or You will have to pull the intake to replace lifters.
take it to get fix
You have to take the door apart
If a lifter is stuck in the lifter bore and won't move, it has probably ruined the cam. The procedure would be to install a new cam and lifters.
will a 245x75x15 fix a 2001 chevy blazer 2dr
Put it in neutral and push it in reverse for about 500 feet it should kick out.
trying to fix simular problem
Probable causeFlasherFusecontrol lever
Set fire to it!
Replace and bleed line
I've got a better question, why is this question in the Chevy venture forum ?
Well first of all you need to specify what the problem with it is
Need to know what is wrong with it to answer that question.