A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

fuel pump relay???

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Old 05-08-2004, 04:42 PM
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Default fuel pump relay???

drove car for 2 hours, parked it, got back in it and it cranks, but doesn't start. banged the fuel pump, nothing. Got home, got some tools. Fuel pump is not getting power, and fuse is fine, but also doesn't get power. very clueless if it's not the relay so i hope it is. Please give me some feedback if you can, and if anyone has an idea where i can pick one up in chicago on a saturday evening or sunday morning the only one i can think of is fcp. Thanks
Old 05-08-2004, 05:44 PM
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Default The fuel pump relay and the fuel pump fuse both get

power as the car is being cranked not with just the key on since the ecu controls the relay. When you first turn the key on the pump turns on for a second just to make sure there is a little pressure in the fuel system.
Old 05-09-2004, 07:00 AM
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that's what i did
Old 05-09-2004, 09:26 AM
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Did you check the other fuses that are marked for the ecu?
Old 05-09-2004, 10:18 AM
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Default Re: Did you check the other fuses that are marked for the ecu?

no i did not, where are those located? and which one is the fuel pump relay?
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