The dreaded 30 second blinking oil light at startup - anyone have a fix for this? - Defender Source
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  #1  
Old November 19th, 2004, 05:54 PM
solihul
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The dreaded 30 second blinking oil light at startup - anyone have a fix for this?

Well I just changed my oil and after a few days on startup I get the oil light blinking for about 30 seconds. Is it most likely the sender? I hope as the logic unit is like $400.00.

Suggestions/experiences appreciated.
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  #2  
Old November 19th, 2004, 07:07 PM
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Robert Dassler
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Old November 20th, 2004, 02:43 AM
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Most likely the sender, change tht first because its cheap. If that doesn't work it could be that the pressure relief spring is weak (in the oil pump) or there's some muck stuck in the pressure relief valve holding it open slightly.
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Old November 20th, 2004, 10:22 AM
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Chris Davis
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I agree with Mike 100%. Do you have a distributor driven oil pump or cranksaft driven (or was it cam shaft driven--I am having a moment..)
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Old November 28th, 2004, 11:29 AM
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The oil pump is driven off of the bottom of the distributor I think
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Old November 28th, 2004, 01:18 PM
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Quote:
Originally Posted by mikeslandrover
The oil pump is driven off of the bottom of the distributor I think
Thats right, on a 94 it is driven off the distributor
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Old November 29th, 2004, 03:48 PM
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You can spin the oil pump with an electric drill and suitable extension with the distributor removed, vary the speed and see what happens to the oil light.
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Old November 29th, 2004, 04:35 PM
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Quote:
Originally Posted by mikeslandrover
You can spin the oil pump with an electric drill and suitable extension with the distributor removed, vary the speed and see what happens to the oil light.
6" extension with a 12mm socket works best! And turn clockwise! Be sure to mark the distributer in relation to the engine and the placement of the rotor before you pull it off. It is a ton easier if you pull the upper radiator hose off of the engine. And don't ask why I know all this! I have been fighting low oil pressure for weeks know!
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Old November 30th, 2004, 12:47 PM
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Best of luck with your oil pressure.
I think I've finally cracked my fuel supply woes.
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Old December 2nd, 2004, 01:37 AM
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If you used a cheap filter without a pressure baffle it will bleed the system down while sitting.

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  #11  
Old December 2nd, 2004, 01:39 PM
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Sometimes the pump can drain whilst emptying the sump during an oil change. Not good....
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