John Deere 6.8L, 8.1L PowerTech Diesel Engines Level 3 Electronic Fuel Systems with Bosch Pump Repair Manual

Table of Content
Section 01—General
Group 000—Safety
Group 001—Engine Identification
Group 002—Fuels
Section 02—Repair and Adjustments
Group 090—Electronic Fuel System Repair and Adjustments
Group 110—Electrical Engine Control Repair and Adjustment
Section 03—Theory of Operation
Group 130—Electronic Fuel System Operation
Group 140—Electronic Control System Operation
Section 04—Diagnostics
Group 150—Observable Diagnostics and Tests
Group 160—Trouble Code Diagnostics and Tests
Section 05—Tools and Other Materials
Group 170—Electronic Fuel/Control System Repair
Tools and Other Materials
Group 180—Diagnostic Service Tools
Section 06—Specifications
Group 200—Repair Specifications
Group 210—Diagnostic Specifications
This manual (CTM 134) is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use.
This manual covers only the Level 3 Electronic Fuel System. It is one of five volumes on 8.1 L engines.
The following four companion manuals cover the repair, operation and diagnostics for the base engine and various electronic and mechanical fuel systems. These are in 5 volumes . In order to complete the 8.1 L set, Discard CTM134 dated 22FEB99 and replace with the following new manuals::
• CTM68— 8.1 L—Electronic Fuel Injection Systems
• CTM86—8.1 L Base Engine
• CTM134—6.8 L & 8.1 L Level 3 Electronic Fuel Systems with Bosch In-Line Pump
• CTM243—8.1 L Mechanical Fuel Systems
• CTM255—8.1 L Level 9 Electronic Fuel Systems with Denso In-Line Pump
This new CTM134—Level 3 Electronic Fuel Systems with Bosch In-Line Pump, contains fuel system and electronic engine control repair procedures formerly in CTM86, Groups 35 and 40 (06JUL99).
CTM 134 is also one of 4 volumes on 4.5 L and 6.8 L engines. The following two companion manuals cover the base engine and mechanical fuel system repair, operation and diagnostics:
• CTM104—4.5 L & 6.8 L Base Engine
• CTM207—4.5 L & 6.8 L Mechanical Fuel Systems
• CTM134—6.8 L & 8.1 L Level 3 Electronic Fuel Systems with Bosch In-Line Pump
• CTM170—6.8L & 8.1 L Level 4 Electronic Fuel System with Bosch VP44 Pump