Touareg 2 V6-3.6L (BHK) (2008)
If lines are OK:
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Replace fuel filter.
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Repeat test.
If specified value is again not obtained:
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Fuel Pump (FP) faulty, replace fuel delivery unit.
If delivery rate has been attained but nevertheless you suspect a fuel supply system malfunction (e.g. intermittent failure of fuel supply system):
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Check Fuel Pump (FP) current draw --> [ Delivery Rate, Checking ].
Delivery Rate, Checking
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Check current draw of fuel pump as follows:
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Reconnect all disconnected fuel lines.
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Connect a multimeter with electrical current probe to wire of 4-pin connector terminal - 1 - - arrow - from wiring harness to Fuel Pump (FP) unit,
right.
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Start engine and run at idle speed.
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Measure current draw of fuel pump. Specified value: max. 11 amps.
If current draw is exceeded:
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Fuel Pump (FP) faulty, replace fuel delivery unit.
‹› If malfunction in fuel system is sporadic, test can also be performed during a road test, but a second person is required.