Bosch Booklet 17
Topic: Continuous Injection Systems (K/KE-Jetronic) Date: [Insert Date] Prepared for: [Course/Instructor Name]
The famous "searching idle" on the Bosch VP37 pump. Generic VCDS (VAG-COM) logs suggest replacing the injection quantity adjuster (N108). But Booklet 17 reveals that the N108 is rarely the fault. Instead, it provides a multimeter procedure for the fuel temperature sensor that is reverse-logic (resistance goes up as fuel heats, unlike coolant sensors). Most mechanics reverse this. Booklet 17 gives the correct thermistor curve. bosch booklet 17
To understand the value of Bosch Booklet 17, you must understand the era. In the late 1960s and 1970s, the automotive world was transitioning from carburetors to fuel injection. Repair manuals of the time were rudimentary
Repair manuals of the time were rudimentary. They told you what to replace, but rarely how the system worked. Bosch Booklet 17 changed that. It contained: For a mechanic in 1975, having Bosch Booklet
For a mechanic in 1975, having Bosch Booklet 17 in their toolbox was like having a direct line to the engineers in Stuttgart.
