'04 Tahoe LT

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Joseph Garcia

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Welcome to the Forum from NH.

Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.

I hope that you will become a participating member in the Forum's discussions.

Pics of the truck, please.

I cannot personally assist you with your question, but other members of this Forum much more knowledgeable than me in this area will chime in.
 

OR VietVet

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I have an '04 Tahoe LT and was wondering how long do the Fuel Rails last? She's got 126,500 on her so far. TIA
Like what @Scottydoggs and @Fless said, the rails should be ok for the life of vehicle. Prying on them wrong can bend and damage them and create leaks. If you look at my build thread you will see lots of parts replaced before they went bad but even though I did new injectors and throttle body, the fuel rails are the same.
 

strutaeng

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Agree with everyone else on the life of the fuel rails not being an issue.

What does fail over time are various rubber hoses like vacuum hoses in the intake. The PCV and the one from the throttle body to the passenger side valve cover. It's easy to miss those because they are under vacuum, so you never see them "leak."
 

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