Low oil pressure warning at idle(700 RPM) when warm
Discussion
I get the low oil pressure beep when the engine is warm, and oil temp is 80 ish, if I go to the oil pressure it's showed it at 3 PSI, however as soon as I apply revs even to only 800 RPM the pressure is fine, I've just had the oil pressure sensor replaced as it was dripping, the car has just had a service and I was told the engine is very healthy, is this anything to worry about or fairly common?, as I say it's only when the car is warm and at complete idle it doesn't always do it either seems to more if on an incline, is this just a case of it being a big engine to get the oil around and at idle there isn't alot of pressure?, or is the new switch giving false readings maybe?.
Maybe the idle is slightly too low as it's at 700RPM but sometimes goes down to 600RPM.
Maybe the idle is slightly too low as it's at 700RPM but sometimes goes down to 600RPM.
Edited by Walter Sobchak on Sunday 17th January 00:42
i agree that you're idle is to low and i think they have used very thin oil
had the same problem with 0w40.
this gave pressure problems and the oil ran through (1 liter on 600 miles)
the dutch TVR dealer urged me to use Castrol edge sport 10w60.
Oil pressure problems are gone and no flush through anymore.(used nothing the last 500 miles)
rens
had the same problem with 0w40.
this gave pressure problems and the oil ran through (1 liter on 600 miles)
the dutch TVR dealer urged me to use Castrol edge sport 10w60.
Oil pressure problems are gone and no flush through anymore.(used nothing the last 500 miles)
rens
Edited by rens914 on Sunday 17th January 21:38
Walter Sobchak said:
I get the low oil pressure beep when the engine is warm, and oil temp is 80 ish, if I go to the oil pressure it's showed it at 3 PSI, however as soon as I apply revs even to only 800 RPM the pressure is fine, I've just had the oil pressure sensor replaced as it was dripping, the car has just had a service and I was told the engine is very healthy, is this anything to worry about or fairly common?, as I say it's only when the car is warm and at complete idle it doesn't always do it either seems to more if on an incline, is this just a case of it being a big engine to get the oil around and at idle there isn't alot of pressure?, or is the new switch giving false readings maybe?.
Maybe the idle is slightly too low as it's at 700RPM but sometimes goes down to 600RPM.
sounds like the sender may have a fault i will order another one in the morning for you give me a call and can arrange to change it, oil is correct grade specified by tvrpower BTWMaybe the idle is slightly too low as it's at 700RPM but sometimes goes down to 600RPM.
Edited by Walter Sobchak on Sunday 17th January 00:42
regards andy
My Oil pressure is 15 psi hot idle – fresh and full engine rebuild. Idles at 8-900 rpm. I’d suspect your idle is too low.
TBH im surprised that wasn’t adjusted at your service. The TB’s should be balanced and the idle adjusted. I guess it doesn’t have to be 900 but they sure run better at that - and you get reasonable oil pressure!
TBH im surprised that wasn’t adjusted at your service. The TB’s should be balanced and the idle adjusted. I guess it doesn’t have to be 900 but they sure run better at that - and you get reasonable oil pressure!
glow worm said:
Daston said:
Idle should be 700rpm when in a good state of tune for the 4 litre engine.
I bet you don't have aircon on your car !!!! Otherwise I'm suprised it does die when you switch it on, or you get the constant clicking of the aircon in and out at idle.Daston said:
glow worm said:
Daston said:
Idle should be 700rpm when in a good state of tune for the 4 litre engine.
I bet you don't have aircon on your car !!!! Otherwise I'm suprised it does die when you switch it on, or you get the constant clicking of the aircon in and out at idle.IMO 850-950RPM is best for longevity.
G
VARLEYHYD said:
Daston said:
glow worm said:
Daston said:
Idle should be 700rpm when in a good state of tune for the 4 litre engine.
I bet you don't have aircon on your car !!!! Otherwise I'm suprised it does die when you switch it on, or you get the constant clicking of the aircon in and out at idle.IMO 850-950RPM is best for longevity.
G
Hmm!?
Never (in 6 years) had any issue with idle, or oil pressure, apart from the first few weeks when a lambda sensor needed replacing.
Cold 800-900, about 65-70 psi
Warm 1000-1100, about 15 psi
One thing I do notice: mine will throw a one second display and bleep of "0 psi" as you turn the ignition on for the first time. Not all the time, just one in about ten. Clears straightaway.
Never (in 6 years) had any issue with idle, or oil pressure, apart from the first few weeks when a lambda sensor needed replacing.
Cold 800-900, about 65-70 psi
Warm 1000-1100, about 15 psi
One thing I do notice: mine will throw a one second display and bleep of "0 psi" as you turn the ignition on for the first time. Not all the time, just one in about ten. Clears straightaway.
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