• Sep 1, 2025 mistubishi pajero io engine fault and rectification , or warning lights. Causes: Worn piston rings Valve seals degradation Leaking gaskets or seals Engine Warning Lights and Error Codes Symptoms: Check engine light illuminates, corresponding trouble codes stored in ECU. Common Codes: P0171/P0174 (System too lean) P0300 (Rando By Virginia Keebler III
