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EGR is good - EGR does NOT reduce power
...This is good and bad. Bad because EGR always , always hurts power and fuel use, always. "...
EGR is good -
in a system that is functioning as designed
EGR does not reduce power output and EGR does improve fuel economy by recucing suction throttling loss .
the ECM does not allow EGR operation when power is needed or when the system is at idle .
so
those who defeat their EGR systems are
DECREASING THEIR FUEL ECONOMY and INCREASING NOX EMISSIONS
while
doing nothing to improve power output
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