Quote:
Originally Posted by rdkarthik  EGR is most of the times used for part throttle conditions, and can be safely disconnected, provided there is no interference with the ECU. |
yes ..right, its not open all the time.
Quote:
Originally Posted by chetanhanda .. EGR isnt open all the time , so the engine wont mind if its closed during certain conditions only. |
I've seen some EGR blocking plates/parts being sold in aftermarket to prevent it from entering the intake so maybe they really dont affect the ECU in some cases where they dont have EGR position sensors etc.