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Removing and installing fuel pump control unitJ538 >
< Checking fuel pump (electrical test)
A4 Mk3
Power unit
Fuel supply system, petrol engines
Fuel supply, gas operation
Fuel delivery unit and fuel gauge senders - rest-of-world vehicles with four-wheel drive and USA vehicles with front-wheel drive
Checking fuel pump control unitJ538
Checking fuel pump control unitJ538
Checking fuel pump control unit -J538-
t
On vehicles with FSI engine, voltage for the fuel pump is supplied via fuel pump control unit -J538-.
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Check fuel pump control unit -J538- in
Guided Fault Finding
→ Vehicle diagnostic tester
.
Power unit
Fuel supply system, petrol engines
Fuel supply, gas operation
Fuel delivery unit and fuel gauge senders - rest-of-world vehicles with four-wheel drive and USA vehicles with front-wheel drive
Checking fuel pump control unitJ538
Removing and installing fuel pump control unitJ538 >
< Checking fuel pump (electrical test)