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Oil Pressure Running High

leety
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AH64ID

AH64ID

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Pressure transducers have to have more than 1 wire. 

 

Pressure switches can have 1 wire thou. 

 

It’s a well known change from 02+, and even some earlier models have software upgrades that treat the transducer as a switch. 

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dripley

dripley

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What I have read backs this up. At start up when the pressure reaches about 6 psi it either opens or closes the switch, I think it opens it, then the pressure reading is based on ect and rpm. It does good job of mimicking a real pressure gauge. Fooled me for years.  

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