## Losing Fuel Pressure ??? ##
Hello guys.
So, I have this DW300 pump for a few years now. I was running a steady 43psi for a while but recently I've notice during regular driving it drops to about 35psi. When I get backup into the gas and boost, the PSI goes up like normal. So, my question, is the pump going bad? If so, I wanted to replace it before anything happens. Thanks Sitha |
What year car?
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Looks like a radium rail and fpr from his build thread. If it’s vacuum referenced, 35 is about right when in vacuum. Check it with the car running, vacuum disconnected, should be 43. Log it while boosting, should be 43+Wastegate pressure. If it is, you’re probably just seeing the pressure under vacuum.
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Originally Posted by curly
(Post 1625151)
Looks like a radium rail and fpr from his build thread. If it’s vacuum referenced, 35 is about right when in vacuum. Check it with the car running, vacuum disconnected, should be 43. Log it while boosting, should be 43+Wastegate pressure. If it is, you’re probably just seeing the pressure under vacuum.
Thanks for clearing that up. Much appreciated it |
Yep, that's why I was asking
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