LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Audi
>>
1994
>>
90 CS Quattro
>>
Repair and Diagnosis
>>
Engine Performance
>>
Testing & Diagnosis
>>
Engine Controls - Basic Testing
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Engine Controls - Basic Testing
Expand All (for easy ctrl-f)
Collapse All
Introduction
Preliminary Inspection & Adjustments
Visual Inspection
Mechanical Inspection
Compression
Exhaust System Backpressure
Fuel System
Notes
Fuel Pressure Release
Fuel Pressure Test
Fuel Volume Check
Transfer Pump Fuel Volume Check
Main Pump Fuel Volume Check
Ignition Checks
Spark Test
Camshaft Position (CMP) Sensor (Pick-Up Coil)
Crankshaft Position (CKP) Sensor
Ignition Coil
Ignition Coil Primary Resistance
Ignition Coil Primary Voltage Supply
Ignition Coil Secondary Resistance
Power Output Stage
Idle Speed & Ignition Timing
Summary