Volkswagen CPYC User Manual

6.5.2 Display group 1 - Injected quantity
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 129.
◆ The measured values must be read at an engine speed of
2300 rpm (2nd person required).
Test prerequisites
● Engine warm, coolant temperature not below 80°C
● Engine speed 2200…2450 rpm
● Engine at full load
Display
zone
Operating mode or component Specification Evaluation
1 Engine speed 2200...2450 rpm ---
2 Average injection quantity 30.0...37.0 mg/H
⇒ Page 130
3 Pressure in high-pressure fuel system
(actual)
1600.0...1900.0 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
6.5.3 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 129.
◆ The measured values must be read at an engine speed of
2300 rpm (2nd person required).
Test prerequisites
3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
130
Repair Group 01 - Vehicle self-diagnosis

Volkswagen CPYC Specifications

General

Brand	Volkswagen
Model	CPYC
Category	Engine
Language	English