Oil pressure problem?

[cjneslo]

I have an 03 disco w/ the 4.3 and the GEMS. When it idles after it gets completely warmed up, I am getting a blinking oil pressure light. I tried changing the pressure switch. I flushed the engine and changed the oil twice. I am running 10w-40, non-synthetic. Still getting the blinking light. If I raise the idle slightly, the light stays out. It only has 60K on the engine, and the oil was changed at least every 5K, normally at every 3K. I can't imagine it needs a new oil pump. I do not have a pressure tester. Could it be something simple like the PCV system? Please let it be that, I can't spend the approximate $2,000 to change the oil pump.... Please get me some good advice.... Thanks.

[Joey4420]

drop the oil pan, and check the pick up tube it maybe partially clogged.

[kevin-ct]

X2 drop the oil pan and check the pick up. then replace the oil pump.

[Joey4420]

Didn't the 03's have an issue with bad oil pumps?

also you should have a 4.6 liter Bosch not a 4.3 gems, unless you changed a lot of stuff.

[cjneslo]

Are you saying that it definately is going to need a new pump?

[cjneslo]

You are correct, 4.6 w/ the Bosch. I just cleaned out the PCV oil strainer and the hoses. the stainer looked bad, the hoses looked good. I doubt it will fix the problem....

[kevin-ct]

Didn't the 03's have an issue with bad oil pumps?

also you should have a 4.6 liter Bosch not a 4.3 gems, unless you changed a lot of stuff.

Yes, the 4.6 engines did have a oil pump issue. The front cover would break leaving the oil pump inop.

[Firemanshort]

I just went through this with my 3.5 litre V8. Oil Pump gears and a new oil filter housing (half of the oil pump housing) fixed me right up for less than $100 and a bunch of shop wrags. Your engine has a different oil pump configuration than mine - so your resuklts may vary.