oil pressure gauge
#1
oil pressure gauge
When i got my impreza it had a boost and oil pressure gauge fitted. The boost gauge works fine but the oil pressure gauge has got a problem. While engine is off its sits at zero as you would expect, but once the car is running it goes right over to 100 PSI. It doesn't move at all, just sits on max untill the car is shut off. I've had the gauge out and it looks pretty much brand new ( revotec gauge ) and from what i can see all the wires and sender unit look good.
Any thoughts chaps, thanks.
Any thoughts chaps, thanks.
#5
added some pics to help explain.
So basically, the sender unit is connected to the block, the wire from the sender goes to the left hand of the gauge ( if looking at it as in the pic ), a live feed goes to the right hand side of the gauge and an earth goes to the middle of the gauge. There is another wire coming from a tee on the sender which i presume is the original wire for the warning light. On start up the gauge reads 100 psi and stays there all the time, i've tried holding another earth straight onto the sender itself but reading remains the same.
What do we think people,
cheers.
So basically, the sender unit is connected to the block, the wire from the sender goes to the left hand of the gauge ( if looking at it as in the pic ), a live feed goes to the right hand side of the gauge and an earth goes to the middle of the gauge. There is another wire coming from a tee on the sender which i presume is the original wire for the warning light. On start up the gauge reads 100 psi and stays there all the time, i've tried holding another earth straight onto the sender itself but reading remains the same.
What do we think people,
cheers.
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#9
ok, took the sender off the car and tried it, reading was off the scale. Cleaned the tee and the sender and put it all back together. Earthed the sender body, reading was back at 100psi. Pulling my hair out now, thinking i might just buy another gauge and sender. What do you think.
#12
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Mine normally reads about 80 psi from cold. Drops to about 45 psi when driving steady, 70 psi on motorway, and 25 psi once warm and idling. Classic MY2000 PPP
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