Help deciding how to fix fuel pump issue
So, I have narrowed down my no start (cold or hot) issue to a bad fuel pump. Did so by buying a cheap $10 pump and swapped it into my housing. Now my 8 will start every time. My issue now is that although said $10 pump carries a lifetime warranty its still a $10 pump. So my question is this: How should I go about fixing this? New assembly for $170+ or a new pump swapped into my housing? If new pump, will one for an 09 work? I have found both a kit for the DW200 pump and a kit from highflowfuel.com that comes with either a 265lph pump for $80 http://www.highflowfuel.com/i-23899300-quantum-265lph-intank-fuel-pump-mazda-rx-8-2009-2011.html. Which would yall reccommend?
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Many of us run the DW200, but they do sell the less flowy DW100 which should work without any issues. Others use the Walbro 255 and it seems to be just as good.
You don't need to replace the entire housing. |
Originally Posted by Legot
(Post 4775102)
Many of us run the DW200, but they do sell the less flowy DW100 which should work without any issues. Others use the Walbro 255 and it seems to be just as good.
You don't need to replace the entire housing. |
Originally Posted by Charles R. Hill
(Post 4775123)
If you are anywhere near 80K miles, you may want to consider replacing the entire assembly as the internal filters start to get dirty around that mileage.
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It won't fit in an S2 housing. Just replace the whole assembly.
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Originally Posted by 9krpmrx8
(Post 4775154)
It won't fit in an S2 housing. Just replace the whole assembly.
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Originally Posted by ShadowGryphon
(Post 4775157)
In that case I will just replace the stock S1 housing then. Found a seller on ebay that sells brand new housings
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Originally Posted by 9krpmrx8
(Post 4775165)
Cool, gotta link?
Hes even got a 2.5kw starter and a 2.7 kw starter. Hmm, I wonder if I could buy a starter for a standard and swap the nose cones. |
You could buy a new S2 full assembly for not much more. The new aftermarket S1 assembly are also S2 assemblies, they just require some mild tweaking to fit and work in an S1. The S2 design is better overall and not just in terms of the fuel pump.
Check it. https://www.rx8club.com/series-i-maj...7/#post4722834 |
Originally Posted by 9krpmrx8
(Post 4775181)
You could buy a new S2 full assembly for not much more. The new aftermarket S1 assembly are also S2 assemblies, they just require some mild tweaking to fit and work in an S1. The S2 design is better overall and not just in terms of the fuel pump.
Check it. https://www.rx8club.com/series-i-maj...7/#post4722834 |
Well I hope it fits, the 09+ pump is quite a bit larger than the S1 pump so there is no way it's going in an S1 housing.
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Originally Posted by 9krpmrx8
(Post 4775189)
Well I hope it fits, the 09+ pump is quite a bit larger than the S1 pump so there is no way it's going in an S1 housing.
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Oh well it's an S1 pump then or at least it won't work in an S2 I mean.
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Sorry, meant it has the same physical dimensions as the DW200 pump
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Originally Posted by Legot
(Post 4775102)
Many of us run the DW200, but they do sell the less flowy DW100 which should work without any issues. Others use the Walbro 255 and it seems to be just as good.
You don't need to replace the entire housing. |
As usual, Charles is right....
I dicked around with filters and Walbro's before finally getting a used Series II assembly - when I cut the old secondary filter open (the big one surrounding the pump) it was SOLID with crud, mostly fine carbon looking powder. (pump brush residue?) No probs since.
Originally Posted by Charles R. Hill
(Post 4775123)
If you are anywhere near 80K miles, you may want to consider replacing the entire assembly as the internal filters start to get dirty around that mileage.
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Originally Posted by StealthTL
(Post 4775325)
As usual, Charles is right....
I dicked around with filters and Walbro's before finally getting a used Series II assembly - when I cut the old secondary filter open (the big one surrounding the pump) it was SOLID with crud, mostly fine carbon looking powder. (pump brush residue?) No probs since. Btw, when you did the Walbro, how did you melt the siphon/pop off valve? |
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