Q7 Quattro V6-3.6L (BHK) (2007)
Fuel Distributor: Testing and Inspection
Fuel Metering Valve, Checking
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Test requirements
‹› The Fuel Pump (FP) Control Module (J538) OK.
‹› The Secondary Air Injection (AIR) Pump Relay (J299)OK.
‹› The fuel filter OK.
‹› The parking brake engaged.
‹› The battery voltage at least 12.5 V.
‹› The selector lever of automatic transmission in position "P" or " N".
‹› All electrical consumers switched off (radiator fan must NOT run during test).
‹› A/C switched off.
‹› The fuel tank at least 1/4 filled.
‹› The ignition switched off.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check
Start diagnosis
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Disconnect the Fuel Metering Valve (N290) electrical harness connector - arrow -.
Checking internal resistance
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Using a Multimeter , check the Fuel Metering Valve (N290) terminals for resistance