Make even the most stubborn diesel engine purr! This book is updated to cover computerized maintenance programs. Hearing the sound of an engine you have just repaired is especially satisfying when you consider how costly it can be to pay for professional help. In this easy-to-use guide, author Paul Dempsey demystifies diesel technology, explaining everything you need to know to troubleshoot and fix problems with engines found in farm and lawn equipment, boats, air compression, and generators. Packed with hundreds of illustrations, schematics, and photographs, this Third Edition of Troubleshooting and Repairing Diesel Engines includes essential information on: planned maintenance; diagnostic techniques; fuel systems; starting and generating systems; air and cooling systems; emission control strategies; and cylinder heads and valves. Whether you're a mechanic making the transition from gasoline to diesel engines or a diesel owner interested in learning how to do your own repairs, you'll want this book near your toolbox.