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I have a 997.1 S.

 

Recently the oil pressure readings have become abnormal.  Rather than indicating ~ 3 at idle and 5 at high rpm, it shows 5 all the time.  With electric power off, the reading is 0.  It jumps to 5 with electrical power on before starting the engine.

 

Is this a failure mode for the pressure sensor?

 

Tom 

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Yes. I've replaced mine twice in the four years I've owned mine. Same symptoms as you. Easy R&R.

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What is considered normal behavior (indications) oil pressure gauge? 

 

I am a new 2006 C2S owner and the oil pressure seems to be  pinned at 5 once I start the engine. 

I have seen it drop to 3 when coming to stop at idle BUT it doesn't seem consistent.

 

I will gave to go back and check - have not noticed the indication with just electric.

 

It seems strange that normal (constant speed) driving would have it pinned at top of gauge

 

 

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1 hour ago, mextreme said:

What is considered normal behavior (indications) oil pressure gauge? 

 

I am a new 2006 C2S owner and the oil pressure seems to be  pinned at 5 once I start the engine. 

I have seen it drop to 3 when coming to stop at idle BUT it doesn't seem consistent.

 

I will gave to go back and check - have not noticed the indication with just electric.

 

It seems strange that normal (constant speed) driving would have it pinned at top of gauge

 

 

 

Welcome to RennTech :welcomeani:

Common problem, usually the sending unit going goofy.  Easy DIY.

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Just tested it with key turned to on (before start) and engine cold the gauge indicated about 3.

Sounds like it is time to replace the sending unit.  

Thanks.

 

 

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