Check Engine Oil indicator lighted

[Watwheels]

Ok then should be what when the car is fully cooled down? At the max level?

This one I thought is basic knowledge. Apparently a lot of ppl know nuts.

 

Can imagine the moving parts in their engines dun have sufficient lubricant and dun have sufficient cooling.

[Watwheels]

Hi,

 

need some advice from gurus here... driving a 2006 Chevrolet Optra 1.6A... noticed that my check engine oil indicator lighted up, so stopped car immediately and check engine oil. It was within the min & max level... then con't driving home and reliased that indicator only lights up when i release accelerator and will goes off when i step on gas... it is also on when idling...

 

Anybody encounter this before or any idea what's wrong? due sensor faulty, contaminated oil?

 

Thanks in advance.

That's becos when you accelerate the crank shaft and pistons are moving more rapidly causing the oil to splash about thus increasing the oil level and when you stop accelerating or at idling the oil level settles cos less movement. The viscosity of oil is different of that from water, furthermore oil gets trap in moving parts and in some obscure corner, takes at least a couple of hours to settle to give you an accurate level reading. That's why the best time to check is in the morning before you start the engine.

 

Even when you go servicing the mechanic will wait for the oil to settle at the same time engine to cool before changing the oil. Less used oil get trap in the engine too.

[ER-3682]

Ask your mechanic to check your engine oil pump,maybe it is not giving the engine enough oil,[low oil pressure,esp at idling],so the warning light is on at idling speed.

[Yeobh]

Unless his or her mech has a oil pressure & flow meter set. In practice mech only check for oil pressure built up in correlation to engine rpm.

[Oyq1989]

Hi,

 

need some advice from gurus here... driving a 2006 Chevrolet Optra 1.6A... noticed that my check engine oil indicator lighted up, so stopped car immediately and check engine oil. It was within the min & max level... then con't driving home and reliased that indicator only lights up when i release accelerator and will goes off when i step on gas... it is also on when idling...

 

Anybody encounter this before or any idea what's wrong? due sensor faulty, contaminated oil?

 

Thanks in advance.

 

 

Digging out this old thread..

Because I'm having the same problem on my 2005 chevrolet optra 1.6A

I believe the indicator is the oil pressure indicator, not the check engine light

The oil pressure indicator comes on at idle when the engine is at operating temp, however when accelerator is pressed, the light disappear.

Did you guys find any solution to it?

[winson_stalin]

Did u feel slight vibration when engine light came on?

 

 

 

 

 

 

Digging out this old thread..

 

Because I'm having the same problem on my 2005 chevrolet optra 1.6A

 

I believe the indicator is the oil pressure indicator, not the check engine light

 

The oil pressure indicator comes on at idle when the engine is at operating temp, however when accelerator is pressed, the light disappear.

 

Did you guys find any solution to it?

[Oyq1989]

Did u feel slight vibration when engine light came on?

 

 

 

 

my car always had this problem of vibration, long before the engine oil pressure light came on.

[Pisces69]

 

 

 

Digging out this old thread..

Because I'm having the same problem on my 2005 chevrolet optra 1.6A

I believe the indicator is the oil pressure indicator, not the check engine light

The oil pressure indicator comes on at idle when the engine is at operating temp, however when accelerator is pressed, the light disappear.

Did you guys find any solution to it?

 

 

If u dun hv this problem just after u change new engine oil but get it when approaching the time for yr next oil change, it cud b yr oil has thinned a lot n dun give a good pressure reading.

 

Or yr idle speed (RPM) too low to maintain sufficient oil pressure.

 

my car always had this problem of vibration, long before the engine oil pressure light came on.

 

If u always encounter engine vibrations, maybe yr idle speed too low or your engine mounts old n worn n need to b changed.

[Trex101]

 

 

 

Digging out this old thread..

Because I'm having the same problem on my 2005 chevrolet optra 1.6A

I believe the indicator is the oil pressure indicator, not the check engine light

The oil pressure indicator comes on at idle when the engine is at operating temp, however when accelerator is pressed, the light disappear.

Did you guys find any solution to it?

 

 

Ask your mechanic change the oil pressure sensor, should be oil sensor acting up. anyway, what oil are you using and how long already? mileage

 

[Oyq1989]

 

If u dun hv this problem just after u change new engine oil but get it when approaching the time for yr next oil change, it cud b yr oil has thinned a lot n dun give a good pressure reading.

 

Or yr idle speed (RPM) too low to maintain sufficient oil pressure.

 

 

If u always encounter engine vibrations, maybe yr idle speed too low or your engine mounts old n worn n need to b changed.

I did a oil n oil filter change, a new oil pressure switch and it still comes on

Mileage is 130k

Using castrol 5w40 as mech suggested using a thicker oil, before tt was using ows 5w30

Idle speed in N is abt 800rpm n in D is abt 1000rpm， do doesnt seems to have any prob with idle

The ride still feels n sounds ok, no ticking or tapping sound in idle

 

Thinking if theres anything wrong with the car electrical system, reason being my car alarm will sound from time to time by itself.. And my radio will have interference when Im charging my devices in car

[Pisces69]

I did a oil n oil filter change, a new oil pressure switch and it still comes on

Mileage is 130k

Using castrol 5w40 as mech suggested using a thicker oil, before tt was using ows 5w30

Idle speed in N is abt 800rpm n in D is abt 1000rpm， do doesnt seems to have any prob with idle

The ride still feels n sounds ok, no ticking or tapping sound in idle

 

Thinking if theres anything wrong with the car electrical system, reason being my car alarm will sound from time to time by itself.. And my radio will have interference when Im charging my devices in car

 

 

Yr idle speed 800 in N but in D sud also b same 800???

 

Maybe yr oil pump is faulty? Cannot give a good pressure? U sud hv it checked. Otherwise too little oil might cause excessive engine wear.

 

Alarm sounding cud also mean a loose connection somewhere. Radio interference when charging equip is quite common.

 

Even I on my GPS, the radio signal become weaker.

[Oyq1989]

 

 

Yr idle speed 800 in N but in D sud also b same 800???

 

Maybe yr oil pump is faulty? Cannot give a good pressure? U sud hv it checked. Otherwise too little oil might cause excessive engine wear.

 

Alarm sounding cud also mean a loose connection somewhere. Radio interference when charging equip is quite common.

 

Even I on my GPS, the radio signal become weaker.

 

hmm, i do realize the idle speed drops when shifting from D > N

Not sure it is the idle speed that cause the low oil pressure or the other way round.

 

But its weird because this low oil pressure only happens when the engine is at its operating temp.

 

i have been driving with this problem for a week now, but nothing seems to be wrong with the engine, no excessive vibrations or unusual sounds coming from the engine

[Pisces69]

 

hmm, i do realize the idle speed drops when shifting from D > N

Not sure it is the idle speed that cause the low oil pressure or the other way round.

 

But its weird because this low oil pressure only happens when the engine is at its operating temp.

 

i have been driving with this problem for a week now, but nothing seems to be wrong with the engine, no excessive vibrations or unusual sounds coming from the engine

 

Some auto cars is the other way around. The idle speed drop a bit when shift from N to D but yrs is the opposite which is very unusual. Maybe this is a clue to your engine light problem?

 

When the oil gets hot, it thins slightly then the light comes on. Another clue.

 

Dun mean drive for 1 week no problem so always no problem. If yr engine is not getting enough oil, by the time there is a problem, its a big problem already. Oil starvation means excessive wear inside the engine n a total re-build n overhaul or a replacement engine hor.

[Trex101]

 

hmm, i do realize the idle speed drops when shifting from D > N

Not sure it is the idle speed that cause the low oil pressure or the other way round.

 

But its weird because this low oil pressure only happens when the engine is at its operating temp.

 

i have been driving with this problem for a week now, but nothing seems to be wrong with the engine, no excessive vibrations or unusual sounds coming from the engine

 

I suspect it could be oil pump worn since you already done the oil pressure sensor(also rpm seem normal), very very rare for oil pump to wear off but if it is the case, it could mean that the oil you choose couldn't maintain it viscosity under operating condition thus causing excessive wear.

[Pisces69]

 

I suspect it could be oil pump worn since you already done the oil pressure sensor(also rpm seem normal), very very rare for oil pump to wear off but if it is the case, it could mean that the oil you choose couldn't maintain it viscosity under operating condition thus causing excessive wear.

 

Some oil pumps r driven by a belt similar to a small fan belt. I wonder if his is loose n slipping which cause less oil to b pumped?

 

I know the Evo 9 oil pump is driven by this belt.

[Trex101]

 

Some oil pumps r driven by a belt similar to a small fan belt. I wonder if his is loose n slipping which cause less oil to b pumped?

 

I know the Evo 9 oil pump is driven by this belt.

 

Usually connected to timing belt or chain, also excessive fuel dilution can also cause viscosity shearing. could be a lot of factor but oil light up is no joke, i would quickly get it sorted out asap, don't wait anymore.

[Philipkee]

 

hmm, i do realize the idle speed drops when shifting from D > N

Not sure it is the idle speed that cause the low oil pressure or the other way round.

 

But its weird because this low oil pressure only happens when the engine is at its operating temp.

 

i have been driving with this problem for a week now, but nothing seems to be wrong with the engine, no excessive vibrations or unusual sounds coming from the engine

Ever considered that there could be a leakage? Somewhere this year, my avante also showed the same thing, low engine oil pressure warning. It flickered on and off then nothing for a while. When i checked the engine oil, it was full. When I rechecked (cos the first check after the engine has stopped is not accurate), it was bone dry. My heart turned to ice.

 

There were no issues with the car, it was smooth, just the on and off warning.

 

I went to the workshop to check and they found that the flyseal was cracked (or burst) and the engine oil was leaking. The leak was so slow, however, that there was no pool of engine oil at the bottom of the car so I never noticed. I changed the flyseal and I have no problems since.

 

http://www.mycarforum.com/topic/2688613-low-pressure-warning/

 

My old thread

Edited November 1, 2013 by Philipkee