Quote:
Originally Posted by hackish
Disabling diesel EGR generally results in an increase in fuel economy but with a significant increase in emissions. The increase is so significant that the EPA was pushing to have limp mode mandatorys when EGR failed.
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Disabling EGR increases NOX or nitrogen oxide which produces visible smog in big cities. IMO living in a very rural area, CO2 is a much more serious global emissions.
The Stage 1 tune gave me a little more power and torque which is fun but may lead to a clutch upgrade in the future.