jpwalt1987
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No. You need to get proper voltage and ground to the pump you have.
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Fuel problem
- Thread starter TurboBrian
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No. You need to get proper voltage and ground to the pump you have.
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TurboBrian
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So do y'all believe a Hotwire kit could bring the correct voltage or is there another problem here that's making it not hold pressure?
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No. No pump designed for 12-14V I've ever tested, works at 6 v.
I've had injs that won't turn on at 9V.
A 1 volt drop in supplied voltage can drop the pump's output 15%.
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The voltage has no bearing on the ability to "hold psi".
That's a function of the pump check valve, a leak in the intank feed line, leaky injs, etc.
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If you have only 6v up at the pump a hot wire kit may not work until you get more voltage back there. 6v may not be enough to pull in the hot wire relay. You need to find where you are loosing voltage . good luck Sam
TurboBrian
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Update:
ordered a brand new hotwire kit from racetronix and installed it today. voltage is much better around 10.4 now and idk if im checking in the right place but it was 5-6 before. anyways the gauge is showing now 36-38lbs base fuel pressure and isnt adjusting with the regulator and doesnt change when i take the vaccumm line off. Also the needle flickers back and forth real fast every now and then and still doesnt hold when you shut the car off. any ideas?
ordered a brand new hotwire kit from racetronix and installed it today. voltage is much better around 10.4 now and idk if im checking in the right place but it was 5-6 before. anyways the gauge is showing now 36-38lbs base fuel pressure and isnt adjusting with the regulator and doesnt change when i take the vaccumm line off. Also the needle flickers back and forth real fast every now and then and still doesnt hold when you shut the car off. any ideas?
You should have 14v engine running. Figure out why you don't first. Than use another gauge that is known good
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