KOMTEST Technical LearningUnderstand. Measure. Interpret.
Diesel testing, explained.
Build a clear understanding of diesel injection systems, the measurements behind testing, and what a result can tell you. A technical learning series for curious minds and workshop professionals.
Explore the guidesKOMTEST Technical Learning
The learning collection
Three connected guides. Read in sequence or go straight to your question.
01System fundamentals
Diesel injection systems explained: Common Rail, EUI, EUP and HEUI
Understand where diesel injection pressure is generated, how electronic control works, and why Common Rail, EUI, EUP and HEUI need different test methods.
02Measurement & interpretation
Injector testing, calibration and coding: what each step means
Distinguish injector testing, characterisation, measurement calibration, adjustment, code generation and registration in the vehicle's control unit.
03Pump testing
Common Rail pump testing: delivery, control and leakage
Learn what Common Rail pump tests evaluate, how delivery and pressure differ, and why control and return-flow results depend on the pump and test plan.
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Technical context
These guides explain principles and measurement. Actual test procedures, connections and acceptance limits depend on the exact component, equipment configuration and applicable test plan.
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Connect the principle to the equipment
Explore the documented testing platforms and product sheets that relate to this guide.
