volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Idle Speed > < Idle Speed and CO Adjustment|Page 1661
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Air/Fuel Mixture: Testing and Inspection
Full Throttle Enrichment

Full throttle enrichment, checking 

- switch OFF ignition
- connect VAG 1367 engine tester using VAG 1367/8 inductive pickup
- start engine and let idle

operate full throttle switch by hand (arrow)
-

engine speed must increase and decrease (hunts as deceleration fuel shut off kicks in)

If NO 
- check idle and full throttle switch adjustment, See: Powertrain Management/Computers and Control Systems/Sensors and Switches - Computers and

Control Systems/Idle Switch/Testing and Inspection

Idle Speed > < Idle Speed and CO Adjustment|Page 1661