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Update oil pressure gauge

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Old 07-28-2018, 01:15 PM
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teddysam1
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Default Update oil pressure gauge
Now my oil pressure gauge reads 4 1/4 bars at anything above 2000 rpms and stays there until I slow below 2000 rpms, which then drops to 2 bars. Is this normal?
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Old 07-28-2018, 04:08 PM
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nile13
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This is usually associated with oil pressure sending unit. Although, what you describe sounds semi-normal. You might want to post a video of the gauge with a few seconds of idle and a few seconds of revving.
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Old 07-28-2018, 04:37 PM
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ginch
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Originally Posted by teddysam1
Now my oil pressure gauge reads 4 1/4 bars at anything above 2000 rpms and stays there until I slow below 2000 rpms, which then drops to 2 bars. Is this normal?
What did you do to the guage since your last post? Or is this just what its doing now?
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Old 07-28-2018, 05:13 PM
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teddysam1
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Ginch...........Since my last post I pulled the gauge out and cleaned the terminals......
nile13..........at idle, the oil pressure gauge is steady at 2 bars......when revving it shots back up to 4 1/4 bars.....
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Old 07-28-2018, 07:28 PM
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nile13
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I just drove mine. What you've described seems normal. At least mine behaves the same way.

Usually the gauge pegs up if there's a sender issue.
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Old 07-28-2018, 07:50 PM
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teddysam1
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Nile13.......thank you for checking....I was thinking the oil pressure gauge needed to be calibrated.
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Old 07-28-2018, 09:58 PM
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TMc993
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Originally Posted by teddysam1
....I was thinking the oil pressure gauge needed to be calibrated.
Don't make this too difficult. Before you embark on the re-calibration of gauges, make sure all of your electrical connections, especially grounds, are sound.
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Old 07-28-2018, 09:59 PM
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nile13
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In my experience the pressure gauge and the oil level gauge are not accurate on a 993. That's why we all check oil (should, anyway) via the dipstick.

Also, gauges seem to behave differently right after an oil change.
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Old 07-28-2018, 10:48 PM
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teddysam1
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Thank you for the responses........
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Old 07-29-2018, 01:11 PM
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IainM
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Once mines warm I can touch the throttle to get revs to about 1000 and the oil pressure rises to 3bar
by 2000 its pegged at 5
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