Isuzu D-Max 2004❗ EGR Vacuum Solenoid Valve❗ problems—common symptoms, causes, and how to fix it. ✅ Common Symptoms of a Bad EGR Vacuum Solenoid (2004 D-Max) Check Engine Light (EGR flow malfunction) Rough idle / low power Black smoke Turbo feels weak Engine knocking on low RPM High fuel consumption EGR valve not opening or always open 🔍 Common Causes 1. Solenoid coil damaged 2. Vacuum leak in hoses 3. Carbon inside the solenoid 4. Electrical connector corroded 5. Weak vacuum pump 6. EGR valve

Symptoms of Runner’s Knee: Runner’s knee, medically known as patellofemoral pain syndrome (PFPS), presents with symptoms such as pain behind or around the kneecap, especially when bending the knee, kneeling, or climbing stairs. Some individuals may also experience a grinding or popping sensation. Causes of Runner’s Knee: 1. Overuse or Overtraining: Excessive running or sudden increases in training intensity can strain the knee joint. 2. Muscle Imbalances: Weakness or imbalance in thigh muscles,