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EGR Valves
Modern engines feed exhaust gas though an EGR valve back to the Intake Manifold via an air cooler. That soot mixed with crankcase breather oils forms a sort of concrete though the whole intake system. Anyone with a modern diesel knows all about this.
Has anyone just blanked off the ERG inlet pipe from the exhaust to the ERG valve. How would or does this this generate an engine alarm.
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