Jetta L4-1.8L Turbo (AWD) (2000)
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Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.
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Switch off ignition.
If the specifications are not attained:
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Carry out a road test to free Oxygen sensor of possible residues and repeat the test.
Observe the valid safety precautions when carrying out a road test. See: Fuel Delivery and Air Induction/Fuel Injector/Service Precautions/Technician
Safety Information
If the specifications are again not attained:
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Replace Oxygen sensor (G39).