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Bosch Fuel Injection and Engine Management by Charles O. Probst

Bosch Fuel Injection and Engine Management: How to Understand, Service, and Modify is the authoritative manual on Bosch Fuel injection.

This is the only book that fully explains all aspects of Bosch systems: L-Jetronic, LH-Jetronic, Motronic, LH-Motronic, D-Jetronic, K-Jetronic, KE-Jetronic, and KE Motronic. You will find specific information on the newest KE-Motronic and LH-Motronic systems.

Author Charles Probst has worked directly with fuel injection engineers, trainers, and technicians from Bosch, Porsche, BMW, MB, VW, Audi, and other manufacturers to produce technician training material. Now his complete service and maintenance procedures, with expert advice and troubleshooting tips, are available to you.

Probst clarifies advantages and operating principles of each Bosch system and explains how they work. He also gives you high performance tuning secrets that really work for street and racing applications, and tells you why some tricks, like "fooling" the computer, don't.


  • Theory: How each system works.
  • How to troubleshoot problems and service each system
  • What tools and equipment are needed
  • How engine idle speed is controlled and can be adjusted
  • How to adjust air-fuel mixture
  • How engine management systems adjust timing for gasoline octane and turbo boost
  • Racing and high performance modifications

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