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In 2017, the VW Tiguan 1.4 TSI engine is experiencing issues such as overheating and stalling. Various engine problems may arise, including spark plug detachment leading to engine issues, loose gaskets requiring prompt tightening, and oil leaks needing immediate attention. Particularly concerning is the risk of engine overheating, potentially causing fires and even explosions. Excessive oil consumption may demand more frequent oil changes than usual. To maintain optimal performance, it is important to change the coolant every 60,000 miles, replace the air filter every 15,000 to 30,000 miles, and switch out standard spark plugs every 100,000 miles or copper spark plugs every 30,000 miles.
Issues with the alternator, starter, and fuses have been identified in the engine of the 2017 Volkswagen Tiguan 1.4 TSI model.