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PostPosted: Sun Sep 23, 2012 4:35 pm 
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as the title says my OIL light is coming on when im at idle, as soon as i hit 1200-1400 rpm it turns off but if i drop the throttle and the engine goes to idle it comes right back on.. i am pretty convinced the oil pump is not able to move enough oil to keep pressure up at idle but would like to hear from anyone who had the issue, bad sensor possibly?
oil pan is right at the level it should be.
last time i drove it to work and back when i got home i noticed a slight smell like a hot brake (metal-metal friction) so i have had it parked since... could have been my brakes but i dont want to chance ruining my engine

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PostPosted: Sun Sep 23, 2012 6:06 pm 
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well i feel like a knob...
just realized i checked my oil before when i was parked on the street soo all the oil in the pan was tilted to the dip stick side... checked it in the driveway nothing on the stick so problem solved :smt033

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PostPosted: Sun Sep 23, 2012 8:22 pm 
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well adding oil didnt solve the problem.. i fear i fried the oil pump running with such low oil 8O

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PostPosted: Sun Sep 23, 2012 8:33 pm 
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Roll in new bearings and put a new pump in. I had the oil light coming on when the 4cyl was in my luv. lol years ago. haha My bearings were shot. but if you open it up you might as well put a new pump on there for that much work. Can you even get the pan off without pulling the motor? I cant remember what mine looked like after all this time. lol

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PostPosted: Mon Sep 24, 2012 10:15 am 
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I was able to get the pan off of my '78 2wd. Just had to remove the front cross member. ( The bolt on one between the wheels).

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PostPosted: Tue Sep 25, 2012 9:18 am 
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dont think i can pull it with the diff and axle in the way would have to pull the motor im REALLY hoping its just the sensor, a new pump is only $30 but will take a little while to get into the motor to replace it.
dang and i just had the head rebuilt a few thousand miles ago i really hope i dont need to do another rebuild of the bottom end! i have another project car coming soon :lol:

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PostPosted: Tue Sep 25, 2012 11:46 am 
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Are you by chance running a Fram oil filter? If so, try ditching that first...

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PostPosted: Tue Sep 25, 2012 4:26 pm 
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Oil light should come on at 5-7 lbs or less. Make sure you are using the proper oil weight--10-30 or 10-40. 5-30 will give you low pressure if the engine has too much wear. I would just replace the sensor, either that or screw in a gauge and check the pressure. Less trouble to just try a new sensor though.


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PostPosted: Tue Sep 25, 2012 5:54 pm 
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mytmouz wrote:
Are you by chance running a Fram oil filter? If so, try ditching that first...

motorcraft currently :lol:

egg wrote:
Oil light should come on at 5-7 lbs or less. Make sure you are using the proper oil weight--10-30 or 10-40. 5-30 will give you low pressure if the engine has too much wear. I would just replace the sensor, either that or screw in a gauge and check the pressure. Less trouble to just try a new sensor though.

10w-30 castrol. will pick up a new sensor today and see if that does it for me.. if not guess its time to get my hands dirty again :lol:

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PostPosted: Tue Sep 25, 2012 8:36 pm 
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dodged the bullet this time just the sensor :mrgreen
still need to see when i can do about my rough idle.. gonna check for vac leaks and give the carb a look over

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PostPosted: Wed Sep 26, 2012 1:37 pm 
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I've had an oil light on at idle in more than one LUV. Its nerve-racking, but in both cases I solved it with thicker oil.
Something like 20w 40. I think since then I've gone back to 10w 30 and the issue has not returned.
Anyway, it doesn't always mean a rebuild is in order.


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PostPosted: Wed Sep 26, 2012 8:43 pm 
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I ran my '78 for 3 or 4 years with a wrist pin knocking. Finally pulled it out for a rebuild when it started getting louder and louder.

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PostPosted: Sat Sep 29, 2012 1:22 am 
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i just wish i could get mine to idle more smoothly, its not too bad just sucks when cold like most them
glad it was just a sensor... was not looking forward to pulling the engine out to change the pump

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