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Author
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Topic: Fuel pump reading only 6-8 Volts
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BLoWN FR500
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Member # 8766
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posted
 
 
So I was driving my car the other day, I parked it up. Went somewhere with my boy, came back to my car and it wouldn't turn on. Immediately I could tell I'm not hearing the pump turn on. I checked the button in the trunk(it's pushed down), I checked all fuses under the hood (all working) checked fuses under the dash (all working), then i changed the CCRM and still nothing. I did find a harness on the passenger side kick panel look a little burnt. It Was a 5 prong relay, i changed that still nothing. & I had changed my fuel pump 2 months ago with a Stealth 340... Just a FYI. I have a tune date next week I'm trying to make so if you guys have any suggestions please state them. Thanks CaFords
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92 Fobra Supercharged - Stolen
89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra
I Stay Charged Like The Energizer Bunny
Posts: 1226 | From: San Leandro | Registered: Nov 2008
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Blow_U_In_Reverse
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Member # 12298
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posted
what size fuel relay and wires did you run?? it might be drawing more power than the relay can supply, or the wire gauge might not be big enough.. one of my folkz had a similar problem when he upgraded to a bigger pump.. he changed the relay to a bigger amp relay and hes good now..
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"Real Men Get BLOWN"
-1993 Cobra "COBRUUH"
-1984 T-Top Notchback
#KurganTuned
Posts: 2688 | From: FiJi-925-650 | Registered: Aug 2012
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5.0 LsX
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Member # 10017
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posted
ive seen that a few times, issues have been the wire between the relay and pump. ended up just rewiring it
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91' Notch
Posts: 1260 | Registered: May 2010
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BTLD GT
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Member # 5229
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unless you upgraded the wiring to the fuel pump. you more than likely burnt your ground connection somewhere. which would cause low voltage reading.
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2000 Cobra R
Posts: 558 | From: livermore | Registered: Jan 2005
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BLoWN FR500
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Member # 8766
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posted
Thanks guys. I just rewired the fuel pump with a switch but then I put the wiring back to stock with no on and off switch and it started to work again. Weird but oh we'll it's working again.
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92 Fobra Supercharged - Stolen
89 Turbod Fobra - Sold
90 Lx - Sold
86 Lx - Sold
96 Cobra
I Stay Charged Like The Energizer Bunny
Posts: 1226 | From: San Leandro | Registered: Nov 2008
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87droptop50
Go Giants!
Member # 7185
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posted
I think I'm having the same issue ... Ima wire up my car this way
I'm guessing kurgan tuning ur car this weekend ?
Posts: 3855 | From: SF | Registered: Oct 2006
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dean-93
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Member # 9401
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posted
i put in a 255 lph and it fried my wiring after a month or so ,so i just got a summit fuel pump relay kit and a switch
Posts: 1175 | From: novato and fairfeild | Registered: Aug 2009
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