What happens if the EGR solenoid is not activated?
What happens if the EGR solenoid is not activated? If the EGR circuit activates too soon, the engine will miss and run badly, or not at all. If it is defective and does not switch on at all, the engine will ping and rattle under a load or going uphill. It's important that the EGR solenoid be in proper working order. Where are the vacuum ports on an EGR solenoid? The solenoid should click as it is powered by the battery. Remove one of the jumper wires from the battery and install vacuum hoses on the two vacuum ports located...