Test DN: Step 42

42) Check Vacuum Hose Between EVR Solenoid & EGR Valve  Carefully check vacuum line for cracks, loose connections, blockage, kinks, and leaks. If vacuum hose is faulty, replace hose. Connect new vacuum hose. Repeat QUICK TEST. If vacuum hose is okay, check EVR solenoid filter for obstructions. Replace if needed. If filter is okay, replace EVR solenoid. Connect vacuum hoses. Repeat QUICK TEST.