The 2004 Neon, part of the second generation (PG) platform, is a compact car offered in both 2-door coupe and 4-door sedan body styles. Known for its affordability and decent fuel economy, it appealed to budget-conscious buyers and young drivers. The Neon features a 2.0-liter inline 4-cylinder engine, producing approximately 132 horsepower, and is available with either a 5-speed manual or a 4-speed automatic transmission. Its sporty handling for the class and a comfortable ride contribute to its appeal, making it a practical choice for daily commuting and small families. This workshop service repair manual provides comprehensive factory-level information for the 2004 Neon, covering all styles and trims. It details essential maintenance procedures, including fluid changes and component replacements, along with in-depth troubleshooting guidance for various systems. Mechanics and owners will find detailed explanations of engine mechanicals, fuel and cooling systems, brakes, suspension, steering, drivetrain, and electrical components. The manual also includes diagnostic procedures, repair instructions for component disassembly and reassembly, and technical specifications, enabling effective maintenance and repair for those seeking to keep their vehicle in optimal condition.