Vehicle Issue Description
Car Model: Chevrolet Spark / Daewoo Matiz (2010)
Engine: 1.0L, 4-Cylinder (B10S1)
1. Cooling Fan Issue:
The cooling fan does not turn on automatically even when the engine temperature rises significantly. The fan motor is functional because it works when connected directly to the battery. During a live test using the "Car Scanner" app, the "Fan Low" status showed "On" and the fan started working briefly, but as the temperature continued to rise, the fan stopped and failed to switch to high speed, leading to overheating. I suspect a faulty fan relay, a blown fuse…
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