Your car’s engine is its heart, and when something starts to go wrong, the sooner you recognize the signs, the better. Ignoring potential engine trouble can lead to breakdowns, costly repairs, or even complete engine failure. While modern vehicles are built to be durable, they still need prompt attention when problems arise. At Interstate Automotive, we provide expert engine repair in the greater Olympia, WA area. Here’s a look at four common warning signs of engine trouble that you shouldn’t ignore. Strange Noises Engines are designed to run smoothly, so if you begin hearing unusual sounds such as knocking, grinding, or ticking, it’s a red flag. Knocking noises often signal worn-out bearings, while grinding may indicate a lubrication problem. Any strange or persistent sound under the hood deserves prompt attention from a mechanic to prevent more serious damage. Warning Lights The check engine light is one of the most common indicators of a problem, but other dashboard lights may also point to engine issues. While it can sometimes be triggered by something minor, such as a loose gas cap, it often signals issues with components like the oxygen sensor, catalytic converter, or ignition system. Ignoring warning lights can allow small problems to escalate into costly repairs. Discolored/Excessive Exhaust Smoke Your exhaust can tell you a lot about your engine’s health. Blue smoke may indicate oil burning, white smoke can signal internal coolant leaks, and black smoke often means too much fuel is being burned. Any unusual or excessive exhaust is a clear warning sign that your engine needs professional attention. Rough Idling Engines should idle smoothly, so if your car shakes, sputters, or stalls when stopped, there may be an issue with the fuel system, spark plugs, or airflow sensors. While it might start as a minor annoyance, rough idling can lead to more serious engine problems if ignored. Engine Repair in Olympia, WA For engine repair in Olympia and the surrounding area, contact Interstate Automotive at  360-505-7292  . Feel free to give us a call to make an appointment!