engine AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide

[x] Cancel search | Manufacturer: AUDI, Model Year: 2000, Model line: A4, Model: AUDI A4 2000 B5 / 1.G
Pages: 78, PDF Size: 1 MB
AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide A4 2000 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1064/w960_1064-0.png AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide
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Page 23 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-21 Engine Control Module (ECM), replacing Special Tools and Equipment Removing VAS5051 with VAG5051/1 orVAG1551 with VAG1551/3B - Connect VAS5051 tester or VAG1551 scan

Page 25 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-23 Installing Installation is reverse of removal, noting the following: Important note: After installing new Engine Control Module (ECM), the following work steps must be performed:

Page 26 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-24 - Observe notes for coding new Engine Control Module (ECM) Page 01 -71 . - For vehicles with cruise control (discernable at steering column), switch this free in ECM:

Page 28 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-26 Notes: Idle speed cannot be adjusted. Idle speed is checked during basic setting of the engine. During basic setting, the Evaporative Emission (EVAP) canister purge r

Page 29 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-27 Basic Settin g Q Input display group number XXX When indicated on display: - Press buttons -0-, -5- and -6- to select "display group number 056" and press -Q- button to confirm input.

Page 31 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-28 Notes: Engine speed in display field 1 (actual engine speed) is the current engine speed. Engine speed in display field 2 (specified engine speed) is a theoretical engine

Page 35 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-30 Fuel pressure regulator and residual pressure, checking Note: Fuel pressure regulator regulates fuel pressure according to intake manifold pressure. This ensures that th

Page 36 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-31 WARNING! Fuel system is under pressure! Place a cloth around the connection point before opening system. Then release pressure by carefully loosening connection point. Che

Page 37 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-32 - Measure fuel pressure. Specification: 3.8 to 4.2 bar - If the specified value is not reached, replace pressure regulator on a trial basis and repeat pressure test.

Page 39 of 78

AUDI A4 2000 B5 / 1.G ATQ Engine Motronic Injection System Servicing User Guide 24-33 - Fuel pressure must drop by approx. 0.5 bar when connecting the vacuum hose. If the pressure change does not occur, the following tests must be performed: Check vac
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