2010 mustang v6 4.0 . NO CHECK ENGINE LIGHTS. Randomly the car will stall out and rpm’s will go up. This doesn’t happen all the time it will be at random times. I’ve clean the throttle body , new spark plugs and wires . Fuel filter is changed . I sprayed cleaner in the Egr valve today but I noticed the small opening, does anyone think this will cause the rough idle ??? The opening on one side of the tube is bigger than the other side.
Again. I’ll start the car and the rpm’s will sputter and...

EGR VALVE HELP 2010 MUSTANG V6 4,0L