How to Detect Car Faults?
2 Answers
Methods for detecting car faults: Check whether the engine has difficulty starting, whether the engine is idling, whether the engine speed is stable, whether the engine temperature is too high during operation, whether the vehicle's exhaust pipe emits black or blue smoke, and whether the steering wheel is always misaligned. To diagnose faults such as the car engine failing to start, you can first check the battery, as insufficient battery power can also prevent the engine from starting. Additionally, check the ignition timing; if the timing belt slips, it will not generate an electric spark, and the engine will not start. For diagnosing faults where the vehicle's exhaust pipe emits black smoke, promptly inspect whether the choke is fully open. After turning off the engine, check whether the main nozzle of the carburetor is dripping or leaking fuel. If dripping occurs, adjust the fuel level in the float chamber and tighten or replace the main jet.
My usual driving habit starts with simple daily checks to detect faults. Every time before getting in the car, I take a quick glance at the dashboard warning lights—if the engine light or oil pressure light comes on, I pay attention. When starting the engine, I listen for any unusual sounds; a buzzing noise might indicate a loose belt, while a rattling sound could point to spark plug issues. I check tire pressure myself using a pressure gauge, keeping it moderate to avoid blowouts or uneven wear. Regular checks of oil and coolant levels are a must, topping them up promptly if low. If the headlights don’t work, I check if the fuse is blown—the fuse box is easy to find under the hood. If I smell burning, I stop immediately to check for short circuits in the wiring. While driving, if the brakes feel soft or the steering wheel shakes, it might signal a brake system issue, so I slow down and pull over right away. These small tips help keep the car trouble-free and make driving more reassuring. Don’t skip regular maintenance—like a full inspection at a professional shop every six months—to prevent costly major repairs.
