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Replace both fuel pumps or no?

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Old Dec 8, 2019 | 05:59 PM
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CinciZ06's Avatar
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Default Replace both fuel pumps or no?

So I need you suckas to talk some sense to me here. I am ready to put my car back together from a clutch change and TT rebuild, and just replaced the passenger side fuel pump and sending unit - I had the fuel sending unit kinda problem that techron just couldn't fix. My main pump etc. seems to be fine when looking at it with my Tech2.

I have a new delphi unit here ready to go in, but is it worth tearing another part of the fuel system apart if there is no issue? I don't read about a huge number of fuel pump issues on here, but it's pretty easy to get to right now! Car is an '04 Z06 with just over 50k miles.

Give me your thoughts please.
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Old Dec 8, 2019 | 06:08 PM
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So you replaced the passenger sending unit, now you have the driver side one ready to go? I'd definitely do it. The first thing I did when I bought my car was change the fuel filter. I was just looking at fuel pumps online last night too, just in case mine ever go out. If I had it all apart, I'd do both. Think about the grime and deposits that get thrown around in there just in general.

Last edited by 02torchred; Dec 8, 2019 at 06:09 PM.
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