Below is a video we did showing how we replaced the fuel accumulator. There were some intermittent hot start issues prior to. Everything else was gone through, leaving this final "weak link" in the chain.
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I just replaced this and thought I would comment. You don’t necessarily need to replace the two rubber hoses, but you do need to inspect them good. I first look at them though the access hole and thought they were fine. Here is the smaller hose from the angle I could see through the hole.
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Looks fine, right? Here’s the back side of that same hose. I did not use much force to straiten it. The cracks were already there.
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Needless to say I found it during the leak check.