Hi, i just changed my oil and oil filter recently, but now my oil lamps turns on right when i start the car, but 2 seconds later it turns off. However if i turn on the car again, the light stays off. Light only comes on if i havnt started the car for a few hours. Check the dip stick, and oil is a lil above 2nd dot. And im quite sure thats enough oil.... well is it? Well if any one got an idea, any help will be appreciated. Thanks.


Modified by vietnogi at 6:19 PM 7/12/2005

 

the oil light is suppose to go on until the engine is started then it turns off.

the second hole on the dip stick is when the oil has expanded; so in other words that should be the maximum(engine warm up). cold should be in between the two holes on the dip stick.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by six_speed &raquo;</TD></TR><TR><TD CLASS="quote"> cold should be in between the two holes on the dip stick.</TD></TR></TABLE>

can anyone second this part?

 

That's normal!!! when the engine is cold(in the morning) the oil light stay on for a few second than turn off. when it already warm, it won't turn on when start. Only worry when the oil light stays on when you are driving. If that happen turn off the engine ASAP and tow it back to an auto shop.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by honda1982 &raquo;</TD></TR><TR><TD CLASS="quote">That's normal!!! when the engine is cold(in the morning) the oil light stay on for a few second than turn off. when it already warm, it won't turn on when start. Only worry when the oil light stays on when you are driving. If that happen turn off the engine ASAP and tow it back to an auto shop.</TD></TR></TABLE>

Yeap

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by six_speed &raquo;</TD></TR><TR><TD CLASS="quote">the second hole on the dip stick is when the oil has expanded; so in other words that should be the maximum(engine warm up). cold should be in between the two holes on the dip stick.</TD></TR></TABLE>

When I check the oil on my car either warm or cold motor the oil is always above the top hole not in between

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MR.RED’89 &raquo;</TD></TR><TR><TD CLASS="quote">

When I check the oil on my car either warm or cold motor the oil is always above the top hole not in between</TD></TR></TABLE>

so then it's not at different levels when hot or cold?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Cliffjumper2 &raquo;</TD></TR><TR><TD CLASS="quote">

so then it's not at different levels when hot or cold?</TD></TR></TABLE>

Nope its only at different levels when theres oil missing in the motor

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MR.RED’89 &raquo;</TD></TR><TR><TD CLASS="quote">Nope its only at different levels when theres oil missing in the motor</TD></TR></TABLE>

that is wrong, oil will expand due to heat(thining out.)

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by six_speed &raquo;</TD></TR><TR><TD CLASS="quote">

that is wrong, oil will expand due to heat(thining out.)</TD></TR></TABLE>

So that means that you only check the oil when the car is warm...makes no sense

 

oil shouldnt expand that much. most times it should be right bellow the full line, then at or alittle above the fill line warm. though different oils expand differently, but you should always check it when warmed.

if you have a oil pressure gauge you would notice when the engine is cold the pressure is low cause the oil isnt moving very fast. once it warms up the pressure moves to normal.

 

the most accurate way to check the oil level is to wait 5mins after the can has been driven.

oil will thin out depends on what grade of oil is being used. 5w-30 for example 5w means the particular oil passes the minium 5w (weight) oil requirement at start up and it then thins out to the 30 weight at a set range of temperature.

oil pressure is the highest when the engine is first started since the oil pump is pumping the oil to all crevices,cams/cylinder walls/crank/.

imagin putting one finger over an open hose, the pressure is greater to push the water out.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdmotorsports &raquo;</TD></TR><TR><TD CLASS="quote">oil shouldnt expand that much. most times it should be right bellow the full line, then at or alittle above the fill line warm. though different oils expand differently, but you should always check it when warmed.
</TD></TR></TABLE>
And yes, the oil light turning on when starting your car is normal.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdmotorsports &raquo;</TD></TR><TR><TD CLASS="quote">oil shouldnt expand that much. most times it should be right bellow the full line, then at or alittle above the fill line warm. though different oils expand differently, but you should always check it when warmed.

if you have a oil pressure gauge you would notice when the engine is cold the pressure is low cause the oil isnt moving very fast. once it warms up the pressure moves to normal.</TD></TR></TABLE><TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by six_speed &raquo;</TD></TR><TR><TD CLASS="quote">the most accurate way to check the oil level is to wait 5mins after the can has been driven.

oil will thin out depends on what grade of oil is being used. 5w-30 for example 5w means the particular oil passes the minium 5w (weight) oil requirement at start up and it then thins out to the 30 weight at a set range of temperature.

oil pressure is the highest when the engine is first started since the oil pump is pumping the oil to all crevices,cams/cylinder walls/crank/.

imagin putting one finger over an open hose, the pressure is greater to push the water out.</TD></TR></TABLE>


Cool I learned something new today