Complex sentence: However, the 1.8 L model suffered from poor sales because Malaysian customers were more familiar with Japanese engines and were less confident of European engines especially on unfamiliar with the maintenance standard; as a result, the 1.8 L variant was phased out in the following year.
Split into simpler sentences: However, the 1.8 L model suffered from poor sales because Malaysian customers were more familiar with Japanese engines and were less confident with European engines. As a result, the 1.8 L variant was phased out in the following year.