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What Causes Engine Vibration in the Sagitar?

1 Answers

PeytonAnn

07/29/25 12:18pm

The causes of engine vibration in the Sagitar are as follows: 1. Dirty air filter: The air filter is designed to protect the engine and reduce wear. It is generally replaced every 10,000 kilometers. If not replaced in time, insufficient air intake can cause low idle speed, leading to engine vibration. Simply replacing the filter can solve the problem. 2. Worn spark plugs: After 30,000-40,000 kilometers, the ignition efficiency of spark plugs significantly decreases, affecting ignition. This is the most common issue, and replacing all spark plugs can resolve it. 3. Low idle speed: The engine idle speed is preset in the computer. When the RPM drops below a certain range, the car's computer automatically adjusts it. If the idle speed is too low and causes vibration, it indicates that it is beyond the computer's control range. 4. Abnormal water temperature: The engine operates within a normal temperature range. High water temperature can cause early ignition timing, changes in the air-fuel mixture, thinning of engine oil viscosity, and reduced lubrication performance. 5. Clogged fuel injectors: The fuel injectors in an electronic fuel injection vehicle are key components for fuel injection and have a long lifespan, reaching hundreds of thousands of kilometers. However, gum in gasoline can clog the injector nozzles, causing inconsistent fuel injection among injectors, leading to uneven cylinder operation and engine vibration. The solution is to remove and clean them. 6. Carbon deposits and oil sludge clogging: Over time, carbon deposits and oil sludge can clog the throttle body, idle air control valve, and intake ports, restricting air intake and affecting idle stability, causing vibration. Inspecting and cleaning these parts with a cleaning agent can solve the problem without the need for removal.

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