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Audi
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1994
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90 CS Quattro
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/O Codes
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Symptoms
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AFTERBURN In Exhaust System
AFTERBURN In Exhaust System
Ensure no leaks exist in exhaust system.
Ensure base timing system functions correctly.
Check fuel injectors for leaking.
Check coolant temperature sensor.