Touareg V6-3.2L (BMX) (2005)
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Set valve - D - to "Hold".
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The pressure must now be maintained min. 2 minutes. If the pressure is not maintained, check the tester.
Fuel System, Checking for Leaks
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Disconnect breather line - arrow - to evaporative emission (EVAP) canister purge regulator valve (N80) in engine compartment.
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Connect adapter hose (KLI 9210/55-2) as shown between evaporative emission (EVAP) canister purge regulator valve (N80) and ventilation line.
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Connect measuring hose - G - on evaporative emissions tester (KLI 9210) to adapter hose (KLI 9210/55-2).
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Connect evaporative emissions tester (KLI 9210) to vehicle battery.
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Connect evaporative emissions tester to vehicle.