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Oil Pressure Switch Failure?


Best Answer Spider , 12 February 2017 - 08:55 AM

The Switch should be Closed with no pressure, ie, without the engine running. If you have an Open Circuit before cranking, the Switch is cactus.

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#31 phildward

phildward

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Posted 23 March 2017 - 01:28 PM

Oil pressure test results:

 

Cold cranking, plugs in.  Delay then approx 60 psi

 

Cold start, fast idle, approx 65 - 70 psi

 

Warm at idle, approxe 60 psi

 

Hot full beans, approx 70 psi

 

IMG_3888_zpsz9weny24.jpg

 

Thread size 1/8 NPT

 

I think not bad for a 120k miles original engine with thin oil in it?






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