9 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHNormal Oil Pressure range?
Reported or suspected cause
gauge frequently dropping
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
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Discussions that report identifying a cause
1
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Reported cause · Original poster
The original problem was the gauge frequently dropping to zero.
Leading evidence: 'gauge frequently dropping' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'gauge frequently dropping' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Check reading' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Install make sure the electrical connections are firmly attached
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Performed · outcome unconfirmed
I'd double check the unit you installed - make sure the electrical connections are firmly attached.
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Suggestion
Check the reading on the voltmeter when the oil pressure drops.
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Suggestion · Original poster
I recently replace the Oil Pressure Sending Unit on my 3.6 and it has been working fine.
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Suggestion
Ken: Why did you change the sender out in the first place?
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Suggestion
If you can find the output specs for the oil pressure sender, you could use a multitool (or Durametric if that's a supported data point - I do not know) to see if the values from the sender are normal.
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9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T213932Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I recently replace the Oil Pressure Sending Unit on my 3.6 and it has been working fine. However, recently my gauge is acting funny. With the engine warm, I was idling at a stop light and the pressure gauge died and I got the oil pressure failure indication. A few seconds later after a rev or 2 the gauge popped back up.
It seems to point to "3" when the engine is cold and at idle and when it is warm and at idle it bounces around between 0.5 and 1.5.
Is there something else I should be looking into or might I have gotten a bad sending unit from Pelican?
I'd double check the unit you installed - make sure the electrical connections are firmly attached. If so, you may have a failed unit, but I bet that's unlikely.
The original problem was the gauge frequently dropping to zero. I replaced it about 300 miles ago and was working fine (I think). On cold start up, it would peg to 5.
If you can find the output specs for the oil pressure sender, you could use a multitool (or Durametric if that's a supported data point - I do not know) to see if the values from the sender are normal.
I'll have to dig into this more later this week. I'm trying to finish up a detail job on an '85 Ferrari 308 GTS by Wednesday. The sending unit I picked up was not a Porsche OE unit. Do you think that would make a difference?
I've been planning to get the Durametric software but I haven't jumped on it yet. Have to do that soon.
Check the reading on the voltmeter when the oil pressure drops. With all my electrics in order my oil pressure is 2.2 bar at idle; when I had earth cable faults and an idle voltage of 12V to 12.5V my oil pressure used to read
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