I've noticed my Audi 80 is struggling to start and has a sputtering engine. I suspect it's a problem with the fuel pump. How can I diagnose and fix this issue?
ReplyThe first step is to check the fuel pump relay and fuse. If those are okay, then listen for a buzzing noise from the pump when you turn the key to the on position. If you don't hear anything, it's likely a faulty fuel pump.
Another way to diagnose a faulty fuel pump is to check the fuel pressure with a pressure gauge. If the pressure is low or inconsistent, then the fuel pump may need to be replaced.
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