80 L4-1984cc 2.0L SOHC (3A) (1989)
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Idle Speed: All Technical Service Bulletins
Idle Speed - Fluctuation Troubleshooting
Applies To:
Audi 80/90 1988-1989 4 cylinder (Engine Code 3A)
Subject:
Diagnosis and repair of idle speed fluctuation (with engine warm)
(Supercedes Product Circular 89-01, Dated October 20, 1989)
Number:
Group:
89-05
25
December 22, 1989
Fuel system
This circular describes the diagnostic and repair procedures for eliminating the causes of idle speed fluctuation.
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check engine basics
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Idle speed, CO mA, Ignition timing, adjust if necessary
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perform vehicle self-diagnosis
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see Repair Group 25 of Repair microfiche for additional information
