5000CD Quattro Wagon (Canada) L5-2226cc 2.22L SOHC Turbo (MC) (1986)
Trip Computer: Technical Service Bulletins
Fuel Consumption Sender; Check; Removal, Adjust
Fuel Consumption Sender
Fuel consumption sender, checking (air flow sensor potentiometer)
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disconnect plug from fuel consumption sender (air flow sensor potentiometer) (arrow 2)
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disconnect air intake elbow leading to oil cooler
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remove air filter from lower bracket
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remove air filter at top (arrow 1)
Test Lead (VW 1501)
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connect test lead (VW 1501) between fuel consumption sender (air flow sensor potentiometer) and plug connector
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connect voltmeter to VW 1501 between connectors 1 and 3
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switch ignition ON
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specified value:
^
5.0 V
IF NO
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repair break in wiring using current flow diagram
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connect voltmeter to VW 1501 - between connectors 2 and 3
^
sensor plate in rest position specified value:
^
0.0 V
IF NO, - replace fuel consumption sender (air flow sensor potentiometer)
If the specified value is attained:
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detach air intake elbow from air flow sensor