Z12XEP – When to Replace the Timing Chain on an Opel? • Today, we’re working on a 2009 Opel Corsa D with a 1.2 Z12XEP petrol engine. The car came in with complaints of poor engine performance: difficult starting, misfiring, strong vibrations, unusual noises at startup, and a noticeable loss of power. Based on the initial symptoms, the issue is likely related to the timing system, specifically the timing chain, which has probably stretched after 150,000 km of mileage. • 🔧 In this video, I’ll sho