Oil pressure light acting funny
 

Ok so heres the dealio....i have a 92 LS with 135000 miles and I have been noticing that when the car is hot and I am sitting in park, ussually, the oil pressure light flickers on and off when the idle drops down to around 750-500 but when I step on the gas a little bit it goes away...it doesnt do it when its cold or when im sitting at a light....

What could be wrong? I thought it might be an electrical fluke cus my abs light comes on randomly but goes off when I turn the car off and back on...but I can make it go away when I give it gas....

Thanks in advance

Re: Oil pressure light acting funny
 

Not to insult you, but have you checked the oil recently?

Re: Oil pressure light acting funny
 

Yes I have checked the oil lol it was only slightly low nothing major

Re: Oil pressure light acting funny
 

Chances are, some things are getting tired. The SVX runs at crazy low oil pressures at idle. Can't remember how many psi, but it's around 10, possibly 8 even if my memory serves correct. It going off just off idle makes sense as the oil pump then turns faster and pumps more oil.

(I've had oil 3 quarts low in my silver and never had the light come on or an issue)
And before you get on me about checking my oil, my silver has piston slap(that way when I bought it after I fixed the exhaust leak :( ), I'm waiting for the engine to blow up, It has a clogged PCV and pisses oil out of every seal, I add oil when I need to and haven't changed the filter closing in on 3 years now. It still runs, and lives, has just as much power as any of my others and I still beat the piss out of it :D

Re: Oil pressure light acting funny
 

That sound like code for you need a new oil pump :confused: lol

Re: Oil pressure light acting funny
 

I'd replace the oil pressure sending unit.

dcb

Re: Oil pressure light acting funny
 

I would listen to this guy.

And then I might start using better oil and changing it more often. But only if the old sender comes out looking like it is covered in gunk. Actually, if that is the case, you might want to go through the Auto-RX treatment cycle before doing a changeover to new oil and filter.

Re: Oil pressure light acting funny
 

i do use good oil when i do my own oil changes...i use Mobil or Valvoline mostly Valvoline and i use the expensive fram filter the "heavy Duty" one...but the last couple times i have just gone to Firestone and had the oil changed...they use Kendall...

how much is it to replace the sending unit?

Re: Oil pressure light acting funny
 

oh and would this possibly be called an oil pressure valve???

Re: Oil pressure light acting funny
 

New symptom!!!

It now does it whilebsitting in traffic I added oil today too but I noticed that the rpms are at like 600 or so when the light comes on...but when the car is moving and the idle is in the same spot it DOESNT do it :confused: whats does this mean??

Re: Oil pressure light acting funny
 

Jared I would just replace the oil pressure switch. It is cheap and easy to do. It is located on the top front of the engine beside the alternator. See if that fixes it.

Harvey.

Re: Oil pressure light acting funny
 

Im pretty sure that I had that replaced already because I had so real loud belts before and my mechanic said the oil "pressure switch" was leaking on them and he replaced it thats why I asked if it might be called that too...if it is then it has already been changed

Re: Oil pressure light acting funny
 

BIG question here. Did he replace it with a GENUINE subaru replacement part from a dealer or did he get an aftermarket part? My aftermarket temp sender for the coolant gauge, for example, was way off and I had to get a genuine Subaru part.

Re: Oil pressure light acting funny
 

+1 get the genuine OEM part through your subaru dealer. I believe it uses the same one as a Legacy and they should have them in stock for 20 bucks or cheaper.
The aftermarket ones are known to still throw codes.

Re: Oil pressure light acting funny
 

Oh **** idk...i had it done at firestne and they dont ussually use new parts they go the cheap route so mostly remain parts and it was only like 80 bucks to have it done...so probabky not