What would cause a sudden oil consumption increase? The van runs fine and is not leaking it on on the ground. I sometime smell oil burning slightly when stopped, but not all the time.

I can't find a PCV valve when I look at parts stores online.

2007 Uplander 3.9L

 

How much is it consuming? How many miles on it? Smelling it at idle may be a valve cover gasket since you're not seeing it on the ground...

 

How is your coolant level? Is there oil in the coolant reservoir tank?

 

The coolant was fine.

Not sure on the miles, but I had just changed oil and the oil was at 85% per the computer.

 

How much is it consuming? According to GM, 1 quart every 2000 miles is considered acceptable

 

It was 2 quarts low.

 

I think there is some information missing here .....

Have you owned the van since new?
How many miles are on the van?
When did you notice this problem beginning?
Did you change the oil last time or did a shop do it?
What oil & filter are you using?
Do you do your own service (a DIY'er) of does a mechanic do your work?

 

Have you owned the van since new? No
How many miles are on the van? 159,000
When did you notice this problem beginning? this oil change
Did you change the oil last time or did a shop do it? I did
What oil & filter are you using? Valvoline 5w30 synthetic
Do you do your own service (a DIY'er) of does a mechanic do your work? own mostly

 

Have you owned the van since new? No
How many miles are on the van? 159,000
When did you notice this problem beginning? this oil change
Did you change the oil last time or did a shop do it? I did
What oil & filter are you using? Valvoline 5w30 synthetic
Do you do your own service (a DIY'er) of does a mechanic do your work? own mostly

 

I would suspect a leaking oil filter