A4 Sedan L4-1.8L Turbo (AWM) (2001)
Air Flow Meter/Sensor: Testing and Inspection
Mass Air Flow (MAF) Sensor -G70- Checking
Special Tools and Equipment
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VAG1526A
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VAG2594A
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VAG1598/31
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VAS5051 with VAG5051/1
Test requirements:
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Coolant Temperature at least 80 °C.
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Electrical consumers switched off (radiator fan must NOT run during test).
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A/C switched off.
Checking function
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Connect VAS5051 tester and select vehicle system "01 - Engine electronics". Engine must run at idle for this. Refer to "Scan Tool Testing/Scan
Tool Connecting and Initial Checks/VAS 5051 Tester, Connecting and Selecting Functions" See: Computers and Control Systems/Testing and
Inspection