volkswagen Workshop Repair Guides

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All Technical Service Bulletins for Idle Speed: > < Idle Mixture Adjustment Procedures|Page 706
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Idle Speed: Customer Interest
Engine - Idle Fluctuates Outside of Specifications

GROUP

25

NUMBER

88-01 February 19, 1988

MODEL(S):

Jetta GLI GTI

Quantum w/ 5 cylinder m..y. 1986
SUBJECT:

Idle stabilizer
If engine idle fluctuates outside of specifications, it is possible that the idle stabilizer should be replaced. Check system using established Repair Manual
Checking Procedures. If stabilizer is diagnosed as faulty, replace with improved version (identified by a green or yellow dot).

The improved version was installed as a running change.

As of:

February 1986      VIN: 16 - GW521503 Jetta GLI 17 - GV050926 GTI 3 - GW202000 Quantum w/ 5 cylinder

P/N: Unchanged

All Technical Service Bulletins for Idle Speed: > < Idle Mixture Adjustment Procedures|Page 706