replica

So I just finished an oil change, got the car on the ground, started it and the oil light was on. I quickly shut the car off (the car didn't run longer than 5 seconds) and checked the oil level. All was good. Started the car again and the oil light was gone and everything is fine. Is it normal to sometimes have the oil light be on for a second as the oil fills the oil filter and whatnot the first time it starts? Never had this happen on a car before.

90stang5.0

Normal. Next time fill the oil filter with oil before installing it. That way it may not bring the light on.

siggyfreud

I wouldn't worry about it. You've physically verified the oil is there and the light is no longer on. You should be good to go .

muzzy

I’m sure you will be fine just keep an eye on your oil pressure for a day or two. What type of filter are you using?

replica

Motorcraft.

hawkeye18

This is pretty common. When the oil system is drained, it takes the oil pump a second or two to get oil pumped up all they way back up into the heads, etc. During these few seconds, there will be almost no pressure, as resistance to flow is what causes pressure and when it's rising the oil level up there is almost none.

That's why us SHO folk disconnect the ignition module after changing the oil and crank the engine for a few seconds; this allows the oil pump to get oil all the places it needs to be without placing undue stress on any un-oiled parts.

Nuke

I've been doing my own oil changes for over 25-30 years and the oil light on many of my cars have taken a few seconds longer to go out immediately following an oil change. I wouldn't sweat it.

Unleashedbeast

Makes priming the oil pump much faster, and no oil warning light.

jhawkr

Normal. And, if you are usining a synthetic, you have even less to worry about! Don't even think about it!

replica

Sounds good. Thanks for the responses. I think I had a Miata do this to me too, but I can't quite remember.