Bought one 2 weeks ago before trip to Utah. A poorly designed piece of garbage, that will tweak your doors so badly they can't open. More info in a post I submitted that's not up yet. A real shame, as I try to buy products built in the USA, even if they cost more. DO NOT BUY THIS INFERIOR PRODUCT. V...

Change the fuel filter first! If it's clogged the pump is struggling to push fuel through it, and bangs away. That's all mine needed.

When the pump gets noisy - or better yet, per recommended maintenance, change the fuel filter!
Quieted mine immediately.
Madmatt