Removed EGR now have problems

[vex]

Originally Posted by WE3RX7

No lights??? how do you see at night

Sounds like a ground, just not sure which one..... maybe try adding an extra ground to the UIM just to see... the tach thing leads me to believe its electrical as well... does it got to 0 if you disconnect the battery and hit the brake pedal?

I don't know about that. haven't tried. will try in a sec. I've fixed the lean condition, but my tach still sits at 500 when off. Will try suggestion.