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Old 05-14-2003, 14:34   #1 (permalink)
'95 EF Fairmont
 
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Low Oil Pressure

A few times lately my EF Fairmont has started beeping at me due to low oil pressure. It has only happened when the car has been run for a while (it's fine cold), and it only happens when I'm stopped and at idle.

I have done an oil change/ new oil filter but it beeped at me again yesterday... A few revs on the engine and pressure goes up again. I can't see any oil leaks either...

Any thoughts???
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Old 05-14-2003, 14:46   #2 (permalink)
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Is the oil pressure gauge OK? There are problems with the AU caused by poor earthing that give this problem.
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Old 05-14-2003, 23:01   #3 (permalink)
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May be oil pressure switch...my XR6 has same prob and will be getting a new switch a.s.a.p.....anyone else willing to comment/add some info...rgds
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Old 05-14-2003, 23:16   #4 (permalink)
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Is an Oil pressure switch very expensive??? Are they easy to replace?
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Old 05-15-2003, 03:09   #5 (permalink)
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switch is about $50...I unfortuneatley dont have any idea how hard it wil be...all thumbs ya see...best of luck...rgds
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Old 05-15-2003, 19:02   #6 (permalink)
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I have the same prob every mechanic tells me its crappy oil they put there 1 in and its the same wont go past the secend line and comes down when u stop at trafic lights :(

.i. o .i. mechanic
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Old 05-15-2003, 20:05   #7 (permalink)
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Take it from me, someone with an EB2 4.0l.

I've had a new engine fitted, new sender, earths checked and it's always low. Checked with a reliable separate gauge and it's a very healthy unit so I give up.
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Old 06-12-2003, 21:52   #8 (permalink)
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I have exactly the same symptoms!

Yep, I've just replaced the sender unit - $40 (pain in the arse job) and it has made no difference.

Can anyone tell me what's involved in doing "better earthing" ?

// Jake
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Old 06-12-2003, 22:54   #9 (permalink)
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mine sits beyond 7 as high as it can go cause I dont have the sensor yet lol. I'd like to know how hard it is cause it stresses me out not knowing my oil presure
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Old 06-12-2003, 22:56   #10 (permalink)
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better earthing = put a bigger cable from the body of the car to the engine, and that it is making good conact, metal to metal.

And From the battery to the body as well.

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