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1989
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GTI
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Engine Performance
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Adjustments
Engine Performance: Adjustments
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Introduction
Engine Compression
Engine Compression Test
Valve Clearance
Ignition Timing
Notes
Checking & Adjusting
All (Except Vanagon)
Vanagon
Idle Speed & Mixture
Notes
Cold (Fast) Idle
Idle Speed & Mixture Adjustment
Vanagon
All Others
DIGIFANT 2 System
Throttle Position Sensor (TPS)
Throttle Position Sensor (TPS) Adjustment
Throttle Stop Screw
Notes
Throttle Plate Stop Screw
Idle Switch
Idle Switch Adjustment
Idle Switch (Except Fox)