● Engine warm, coolant temperature not below 80°C
● Engine speed 2800…3200 rpm
● Engine at full load
Display
zone
Operating mode or component Specification Evaluation
1 Engine speed 2800...3200 rpm ---
2 Average injection quantity 40.0...60.0 mg/stroke
⇒ Page 107
3 Pressure in high-pressure fuel system
(actual)
1200.0...1700.0 bar ---
4 Coolant temperature 80.0...110.0°C ---
Evaluation: Display group 1, display zone 2 - quantity injec-
ted
Display shows Possible cause of fault Fault remedy
Below specification
◆ Injectors for cylinders 1…4
-N30...N33- defective
– -N30...N33- Check. ⇒ Page 398
Above specification
◆ Engine too cold
– Run engine at increased speed to
warm up, and repeat test
◆ Shortage of fuel
◆ Air in fuel system
– Check fuel supply system
⇒ Page 298, removing and installing
parts of fuel supply system
– Bleeding fuel system ⇒ Page 383.
◆ Injectors for cylinders 1…4
-N30...N33- defective
– -N30...N33- Check. ⇒ Page 398
5.4.3 Display group 3 - Exhaust gas recirculation
Note
◆ To perform the test increase engine speed from 1500 rpm to
full throttle at full load. Note conditions for measurements at
full load ⇒ Page 106.
◆ The measured values must be read at an engine speed of
3000 rpm (2nd person required).
Test prerequisites
● Engine warm, coolant temperature not below 80°C
● Engine speed 2800…3200 rpm
● Engine at full load
Display
zone
Operating mode or component Specification Evaluation
1 Engine speed 2800...3200 rpm ---
2 Intaken air mass (specified): 450...950 mg/stroke ---
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3
5 Measured value blocks, engine codes CJDA, CJDD
107
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