4.0L Cherokee, Comanche & Wagoneer
On 4.0L systems, vacuum supply to EGR valve is controlled by the EGR valve solenoid. The EGR valve solenoid is controlled by the Electronic Control Unit (ECU).
On 4.0L systems, vacuum supply to EGR valve is controlled by the EGR valve solenoid. The EGR valve solenoid is controlled by the Electronic Control Unit (ECU).