i have a 2004 audi s4. recently it sometimes doesnt not start, it cranks but it doesnt get enough fuel to the engine and either starts and dies or doesnt start. i took it to a local dealership who diagnosed a bad fuel pump. i replaced the fuel pump and still it doesnt start. i connected the old pump to the battery and it works so i dont think that was the actual problem. i have identified that the fuel pump works but there is no fuel or not enough fuel getting to the engine. i believe the fuel pump relay might be the problem. but i cannot locate the relay. can someone help me diagnose this problem or at least locate the fuel pump relay? thanks
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