Some Mercedes C180 Kompressor owners report vibration or roughness at idle. Causes usually relate to ignition, air leaks, or engine mounts. Symptoms Unsteady/fluctuating idle RPM Cabin vibration at idle Possible misfire or hesitation Main causes Worn spark plugs or failing ignition coils Intake/vacuum leaks Dirty or failing fuel injectors Worn engine mounts Solutions Replace plugs […]
Toyota Corolla 1.6 – Check Engine Light Stays On
The Toyota Corolla 1.6 is known for reliability, but one frequent complaint is the check engine light illuminating and staying on. This lamp means the ECU has detected a fault in a sensor/system — sometimes minor, sometimes serious. Symptoms Constant or flashing check engine light Reduced engine performance Increased fuel consumption Rough or unstable idle […]
BMW E90 – Excessive Oil Consumption
Some BMW E90 engines are known to consume oil at a higher rate. Drivers may need to top up oil frequently — this should not be ignored. Symptoms Blue smoke from exhaust Oil level drops fast Performance loss Main causes Worn piston rings Leaking valve stem seals Worn turbo seals Faulty PCV valve Solutions Compression/leak-down […]