Why This Catalytic Converter Melted in 5,000 Miles: A Leaking Fuel Injector Post-Mortem

A customer arrived with a 2012 Chevrolet Cruze that had just failed its second catalytic converter in 14 months. The first converter had been replaced under warranty elsewhere. The second replacement failed at 5,000 miles. No check engine light for a misfire. No obvious rough running. The car drove normally. Two converters failing in sequence […]
Why This Car’s Battery Died Every 48 Hours: A Step-by-Step Parasitic Draw Tracking Log

A 2013 Jeep Grand Cherokee arrived with a battery that had been replaced twice and an alternator that had been replaced once in the prior 8 months. None of those repairs had resolved the underlying problem. The battery still died within 48 to 72 hours of sitting unused. The previous shops had replaced the battery […]