AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual

Manufacturer: AUDI, Model Year: 1999, Model line: A6, Model: AUDI A6 1999 C5 / 2.G
Pages: 78, PDF Size: 1 MB
AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual A6 1999 C5 / 2.G AUDI AUDI https://www.carmanualsonline.info/img/6/1064/w960_1064-0.png AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual
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Page 1 of 78

AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-1 Motronic injection system, servicing Safety precautions If special testing equipment is required during road test, note the following: WARNING! Scan tools

Page 2 of 78

AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual disconnect connector from ignition coils and from fuel injectors. Pa ge 2 of 78 Motronic in jection s ystem, servicin g 11/23/2002 htt p://127.0.0.1:8080/audi/servlet/Dis play?action=Goto&t yp e=re

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AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-2 It is possible that the control module will recognize a malfunction and store a DTC during some tests. After completing all tests and repairs, DTC memory should therefore be checked an

Page 4 of 78

AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-3 Rules of cleanliness When working on the fuel supply or fuel injection systems, the following "6 rules of cleanliness" should be carefully observed: Thoroughly clean all

Page 5 of 78

AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-4 Technical data Engine identification ATQ (2.8 L / 5V/ 147 kW-engine) Idle speed Engine speed cannot be adjusted, it is regulated by idle stabilization 720 to 820 RPM (front

Page 6 of 78

AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 1) With an engine at normal operating temperature, the resistance of the fuel injectors increases by approx. 4 to 6 Pa ge 6 of 78 Motronic in jection s ystem, servicin g 11/23/2002 htt p://127.0.0

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AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-5 Component locations, overview Notes: Other component Locations Fig. 7 , page Page 24 -11 up to Fig. 12 , page Page 24 -13 . Component Locations without illustration: A

Page 8 of 78

AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-6 1 - 4-pin harness connector for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29- (bank 1 sensor 2) green 2 - 4-pin harness c

Page 9 of 78

AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-7 5 - Secondary Air Injection (AIR) solenoid valve -N112- 6 - Intake Air Temperature (IAT) sensor -G42- 7 - 4-pin harness connector for Heated Oxygen Sensor (HO2S) 2 - G108- before cata

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AUDI A6 1999 C5 / 2.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-8 10 - E-box in plenum chamber Motronic Engine Control Module (ECM) - J220- Secondary Air Injection (AIR) Pump Relay - J299- Fig. 10 , page Page 24 -12 11 - Valve -2- for camshaft ad
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