ENGINE CONTROL UNIT (ECU): DIAGNOSTICS and SYSTEM OPERATION
10V Non-Turbo 5 cylinder engine, V6 and V8 engines

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10V Naturally Aspirated 2.3 Liter 5 cylinder Engine, FAULT CODE READING, OUTPUT TESTS

• 1987-88 5000S with NF 2.3 Liter Engine and CIS-E-III Fuel Injection
• 1989-91 Audi 100 with NF 2.3 Liter Engine CIS-E-III Fuel Injection

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Audi V8, 3.6 litre PT Engine and 4.2 Litre ABH Engine, ECU FAULT CODE READING, OUTPUT TESTS

• AUTOMATIC TRANSMISSION FAULT CODES, OUTPUT TESTS
• INSTRUMENT CLUSTER FAULT CODES, OUTPUT TESTS 1990-94 Audi V8

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IMPORTANT SAFETY INFORMATION

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