POISND U

It only does it for 15 to 20 seconds after start up and only after the car has been sitting for after several hours. Any ideas what this could be? Bad rings? Valves?

theorgnlimprtkillr

it sounds to me like youre burning oil but not much. just check the oil and make sure youre pressure stays up

POISND U

I know it's oil, I'm just wondering if I should be concerned about a bigger problem...

lVlustang

Did you recently switch it to synthetic?

theorgnlimprtkillr

do you hear any knocking when you crank it up

POISND U

No, actually next weekend she's getting the full Royal Purple treatment. Just bought the ca a few weeks ago...

BuzzCut

Valve stem seals are the usual cause for this.

timeformiller44

it doesnt matter what oil you use......but like the guy said above me...valve seals...or piston rings...but more than likely its the valve seals...otherwise no oil should be getting into the cylinder

Donnie's GTS

get a compression check, thatd be a quick way to find out, u can probably rent the tool from auto zone.

undecided.steve

+1

You might try taking off the rocker arm covers and seeing if the oil drain holes are free from sludge.
They sell a long brush that you can use to clean them out.

I've seen it happen where the holes are clogged a lot with sludge, and the oil will puddle up there so when you start the car you get puffs of blue smoke until it warms up.
Same thing happens if you let it sit for say 15 minutes or so(after it has warmed up), come back and restart it.

Most like lit's your valve stem seals though.