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Audi
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1989
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90 Base, Automatic
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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Basic Testing
Basic Testing
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Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
Fuel System
Notes
Fuel Pressure (Cis Digital Control)
Notes
System Pressure
Residual Pressure & Internal Leak Testing
Main Pump Delivery Volume
Injector Quantity Comparison
Fuel Pump Relay
Fuel Pressure (Cis-E III)
Notes
System Pressure
Residual Pressure
Fuel Pump Relay Control
Fuel Pressure (Cis MOTRONIC))
Notes
Fuel System Pressure
Residual Pressure
Ignition Checks
Cis Digital Control
ECU Voltage Supply
Engine Speed Sensors
Hall Effect Sending Unit
Knock Sensor
Spark Plug Wires & Rotor
Ignition Coil Resistance Check
Ignition Coil Power (Transistor) Stage
Tachometer Signal Output
Cis-E III
Notes
Ignition Coil & Power Stage
Secondary Resistance
Primary Resistance
Hall Sender
Cis MOTRONIC
Ignition Signal
Idle Speed, Co Level & Ignition Timing
Summary