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2000 Ford Fairmont losing oil pressure when car warmed up

Tiny
MADENT
  • MEMBER
  • 2000 FORD FAIRMONT
Engine Performance problem
2000 Ford Fairmont 6 cyl Two Wheel Drive Automatic 274000 kilometres

Hello.
The car oil pressure gauge drops dramatically after the car has been driven for a while.
an example would be when stopping at traffic lights.
I have had the oil sender unit replaced and this has made no difference.
When the pressure drops, there are no noises or rattles to indicate a problem and the car actually runs perfectly.
when I strat the car to begin with, the oil pressure gauge takes a few seconds to go up and I could leave the car idling for an hour without a problem.
It only seems to be when the car has warmed up and driven. Also the car is not overheating at all.
As I said, it runs perfectly apart from this problem.

Thankyou
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Wednesday, February 3rd, 2010 AT 6:59 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This could be anything from an electrical problem to an actual engine problem. Best thing to do here is when it's warmed up and the oil pressure drops, get a mechanical gauge put on it and see if it is the same. It could be a bad gauge among other things. It could also be a bad oil filter.
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Wednesday, September 15th, 2010 AT 5:53 PM

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