Jetta GLX V6-2.8L (AFP) (2002)
Continuation
If the specified value is not obtained:
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Release brake pedal.
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Press -> button.
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Press buttons -0- and -6- to select "End Output" function 06 and press -Q- button to confirm input.
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Carry out road test to remove possible residue on oxygen sensor and repeat check.
Observe the valid safety precautions when carrying out a road test. Refer to "Fuel Delivery and Air Induction", See: Fuel Delivery and Air
Induction/Service Precautions
If the specified values are still not obtained:
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Replace oxygen sensor behind Three Way Catalytic Converter (TWC) -G130-. Refer to item 28 under "Fuel Delivery and Air Induction/Fuel
Injector", See: Fuel Delivery and Air Induction/Service and Repair
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Check DTC memory. If necessary, repair any malfunctions and erase DTC memory.
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Display readiness code.
If DTC memory has been erased or the Engine Control Module (ECM) was disconnected from permanent battery (B+) voltage, the readiness code
must be generated again.
Evaluating display group 36, display field 1 - Lambda probe voltage Lambda probe after catalyst
Possible causes of malfunction if 02S sensor control frequency is too slow:
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The slots or holes in O2S sensor body are blocked
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The O2S sensor vent hole in area of connecting wire is blocked
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The O2S sensor has been overheated (glazed)