Civic EG

mine 94 civic eg with d13b2 single carb...car gets vibrate after i put hedlights on...ut its work fine with AC on....
also noraml..i set to normal (without AC and headlights on) idle speed 800rpm...

also chked alternator and batter also works fine...without load 13.5 amp with load 14.3amp

pls help guys...

sorry guys i think mine 94 civic lx model......beacuse tht engine looks like d13b2 shape....so...

I don't know if it could be related but today I made a transmission oil change. The irratic revs stopped and all was stabilized.

The gears stopped popping out or catching aswell. When was the last time you did a transmission oil change ?