SAAB 16-valve models covered: SAAB Turbo, including SAAB, Turbo SPG 1985-1993, SAAB Convertible 1987-1994, SAAB 900S 1986-1993 & SAAB 900 1989-1993. Technical highlights: Fundamental automotive concepts, explanations of basic troubleshooting, safe and effective workshop practices, and tools. Saab maintenance schedules with procedures from replacing the oxygen sensor to flushing the cooling system. This manual tells you what to do, how and when to do it and why it's important. Detailed, in-depth troubleshooting and repair information for engine management and emission control systems, including: Bosch LH 2.2, LH 2.4 and LH 2.4.2 fuel injection. EZK and Hall-effect ignition systems. APC turbocharger knock sensor system. Integrated Saab Service and Technical Tips. These troubleshooting and repair tips are fast, proven procedures used by Saab technicians. Critical updates and information from the Saab Service Information Manual, the Parts & Service Information System, and Saab Service Training. Comprehensive electrical wiring diagrams broken down into 35 easy-to-use troubleshooting sections for electrical circuits. The information you need to know about a particular circuit is in one place. Each section includes a brief circuit description, fault tracing, fuse, relay and component locations, as well as component illustrations. This manual is a comprehensive factory authorized, single source of service information. Whether you're a professional technician or a do-it-yourself owner, this repair manual will help you care for & repair your Saab. Covers Turbo, Turbo SPG Convertible, 900S & 900. 632 pages & 1025 photos, drawings & diagrams.