EPR
Wright Bro
Guest
Hey guys,
can anyone tell me what is the EPR gauge for?
What does it indicate anyway?
THANX A LOT
4 Answers
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nauer bO
Guest
There's something i would like to know too
Well EPR stands for Exhaust Pressure Rating. That is all I know.
I'd guess that it's to let you know of a possible over-pressure of the exhaust. Possibly could cause an explosion? Maybe it's used in FsPax for some fun failure 😉
From a glossary:
EPR: Exhaust backPressure Regulator, also EBP regulator
Output; For quicker engine warm-up at cold temperatures. If the IAT is below 37°F (50°F some models) and the EOT is below 140°F (168° some models) the PCM sends a duty cycle signal to a solenoid which controls oil flow from the turbo pedestal. This causes a servo to close a valve at the turbo exhaust outlet. The PCM monitors the EBP input to determine if the EPR needs to be disabled to provide power for increased load, then reapplys the EPR as load demand decreases until EOT or IAT rises. PID: EPR (duty cycle), EBP (pressure)
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