Quote:
Originally Posted by leathermang
Many years ago some cars had low pressure oil senders which disabled the ignition circuit.
I think Pinto was one of them...
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Generators typically have them. The Perkins 108 in my Wanderlodge has both a high temperature and low oil pressure automatic shut off.
As a truly failsafe system, it'd be designed to pull a vacuum on the shut-off when low pressure activated it but then it would need to be disabled during starting.