Re: Is there a way to bypass the EGR valve?
My 90 EFI Bronco had the EGR valve disabled for about a year with no problems. The exhaust gas pipe was disconnected and plugged, and the vacuum line was also disconnected and plugged. If you do this, it will cause your 'check engine' light to come on though because the sensor will be indicating no change in valve position. When I bought the truck it had all the emmisions stuff disconnected and now I'm getting hooked back up (preparing for smog test, and hopefully better fuel economy).
Why do you want to disconnect it anyway?