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What are the most common issues with the Volkswagen Polo MK4?

Model: Volkswagen Polo MK IV, Polo IV, Polo 4, MK 4, 9N - Years 2001-2009
Part: Checks and maintenance

In this video, the youtuber explains to us what are the most common problems that can occur on a Volkswagen Polo MK4: in addition to the coil pack problem illustrated in the video, we can encounter issues with the injectors, especially those with the engine code CAYC, causing starting difficulties and power loss; in diesel models, the EGR valve tends to clog, causing malfunctions and increasing emissions. A faulty coolant temperature sensor can lead to incorrect engine temperature readings, causing overheating problems; some models may have issues with the electrical system, such as sensor malfunctions or wiring problems.

Posted on 2 September 2025 by ScegliAuto

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How to reset the tyre pressure warning light on a Hyundai Tucson

Below are the instructions to reset the tyre pressure warning light (TPMS) on a Hyundai Tucson. First, get into the vehicle and turn on the instrument cluster; then navigate to the vehicle settings until you reach the tyre pressure monitor, identifying the tyre with incorrect pressure. At this point, restore all tyre pressures according to the specifications indicated on the label; this will reset the TPMS and the warning light will be cleared from the instrument cluster!

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