Is it the RED Oil PRESSURE light or the YELLOW Oil LEVEL light?

 

Hi Mike, it is the red oil pressure light,thanks

 

Causes could be worn engine (low oil pressure) or a faulty oil pressure switch (sometimes they can break up or get debris in blocking it) . Might be an idea to change oil & oil filter .

 

As Fred says, it could be a faulty pressure switch or possibly debris blocking the sensor. It could also be a bad connection or broken wire to the switch.

That's the good bit.

It wouldn't be right not to give the bad possibility too...

If the oil pressure genuinely is low, there is a serious risk of major damage to the engine.
Unless you can prove the switch or wiring is faulty quickly, you need to get the pressure independently tested ASAP.
I don't know exactly what options there are for true pressure measuring, so consult you local (trusted) mechanic or dealer.

 

Hi,

My car has the 2.8 and had the oil light coming on at start up and when floored.
Did and oil and filter change, still came on.
Just had switch replaced and it seems to have cured the problem.
Hope yours is the switch and not the pump. Does the engine sound tappy on tick over?
On my engine the switch is a horrible job and cost me £200.

 

Hmm...thanks for advice guy's. I have now some starting point to work my way up to identify problem. Oil&filter change I think number 1 to do then wire check ,then pressure test. Where do I find oil pressure switch ? Do you have a diagramm to locate? Thank you

 

I believe to have a pressure test they have to remove the switch and plug in a gauge. So have them get a switch ready if the pressure is ok then they can do the replacement at the same time. My engine is in a different place to yours. Was really difficult for the garage to do.
Hope all goes well.

 

Thanks! I got sorted flickering oil pressure light on dash! Would not belive but discovered that the egr valve has been blanked! I bought car like that. Removed blanking plate, cleaned up egr properly put it back on and magic, flickering oil pressure light has dissapeared!! I cant think of how this to connect but seems cured problem. There was also returning spanner light, engine management, flickering oil pressure light all gone! many thanks all

 

Glad your sorted .

 

well, it was early to dance on top of table, Fred, unfortunatly oil pressure light came back on.
Since cleaned egr and removed blanking plate, cleared comp and resetted ecu (by disconecting battery forr couple of days). Today I was checking for those vacum pipes and connectors, intake and hoses for turbo looking for leak could couse other fault (turbo whistle at certain rpm range). Put it all back together, started up and the oil pressure light came back on. However, before it was flickering when engine running then went off when put foot on pedal to accelerate. Now, iit seems stays on not flickering when stationary, then goes off when drive. Once revs drops comes back on steady. I do like challenges but this one seems posessed by ghooosssttt. Also have fault code p1110 intermittent

 

Ok then oil pressure switch needs looking at next .

 

Hiya, had oil&filter change, airfilter, boost sensor and pipework clean up, checked sump pick up pipe all good.here is the fault coming up when pugged in opcom, p0380 general glow plug error
Also I could see swirl flap first from right top of engine when spray in wd40 bubbles ???

 

when changing oil filter, on housing there is a whole in which found some home made plug. What is that purpose for do you know??

 

Here are some updates,
Oil and filter changed - light still flickering on iddle
Oil pressure switch changed - Light still flickering on iddle
Oil pressure tested (3bar's on iddle looks fine)
sump pick up pipe cleaned( was no dirty at all) - light still flickering on iddle
engine looks ok general wear due high milage
no loss of oil, no marks,

ANY IDEA POSSIBLE CAUSE PLEASE?????????

 

when changing oil filter, on housing there is a whole in which found some home made plug. What is that purpose for? Answer that purpose is to drain oil out from housing through that whole when loosenig filter. Home made plug possible reason somebody changed filter with no sealing rings stupid fix try stop oil drip !!

 

Hi,

My car has the 2.8 and had the oil light coming on at start up and when floored.
Did and oil and filter change, still came on.
Just had switch replaced and it seems to have cured the problem.
Hope yours is the switch and not the pump. Does the engine sound tappy on tick over?
On my engine the switch is a horrible job and cost me £200.

you where well and truly stung,robbing bastards that's a 30 quid all in job

 

That was done cheap as my uncle works there. They had to remove the air con pipes, then was difficult to get a spanner on the switch as of its tight location. Then re gas the air con. Switch itself was £30 I think. My engine bay is so crambed, they could of placed it in an easier location.

 

some update's drained oil housing approx 0.5l it containes when filter in. Undue slightly filter and let oil drain out service whole till dry. Looked very slimee seems cured oil pressure light flicker, hope my experience give some help to others with similiar problem, cheers