Quote:
Originally Posted by rrgrassi
The low being pegged when not running has me wondering...as when the system is not running, both sides should be equal.
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We don't know that it's not equal. Keep in mind that the high-side and low-side gauges don't use the same scale. 160 psi is off the scale for many low-side gauges. High side gauges typically peg around 500 psi, low side around 120 psi.