This manual covers the Ligier Ambra, a microcar model produced primarily in the late 1990s and early 2000s, known for its utility in urban mobility and light commercial applications. It is equipped with a Lombardini 505cc diesel engine, a powerplant recognized for its reliability and fuel efficiency in applications such as microcars and light industrial machinery. The Ambra typically features an automatic or automated manual transmission designed for ease of operation. The vehicle's compact dimensions and robust construction, typical of its class, ensure practicality for its intended use.

This service and repair manual provides comprehensive technical guidance specifically for the Lombardini diesel engine variants (LDW 502/602, LDW 903, LDW 1204, LDW 1204/T, LDW 702, LDW 1003, LDW 1404) found in the Ligier Ambra. It details procedures for engine systems including lubrication, fuel, electrical, and turbocharging, covering general inspection, disassembly, reassembly, operational adjustments, testing, and storage. With diagnostic charts and detailed repair instructions, this manual is an essential resource for owners, mechanics, and technicians to maintain and repair the engine effectively, ensuring optimal performance and longevity.