A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Fuel Distributor: Testing and Inspection
Fuel Metering Valve N290, Checking
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Test requirements
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The Fuel Pump (FP) Control Module J538 OK.
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The Engine Component Power Supply Relay J757 OK.
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The fuel filter OK.
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The parking brake engaged.
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The battery voltage at least 12.5 V.
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The selector lever of automatic transmission in position "P" or "N".
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All electrical consumers switched off (radiator fan must NOT run during test).
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A/C switched off.
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The fuel tank at least 1/4 filled.
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The ignition switched off.
Procedure
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Remove the front engine cover - arrows -.
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Remove three screws - arrows - and the engine lifting eye to gain access to the Fuel Metering Valve N290 electrical harness connector.