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| New Fuel Pump not working at all (Page 4/5) |
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TheDuke
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APR 09, 05:05 PM
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well im getting .002v on the tan wire at the fuel pump plug with the pump unplugged from it. ive traced it from there to the same connector as the orange next to the ecu to the relay(so they both go to the relay) and the armrest plug, as for the oil pressure sensor i can try disconnecting it but i dont know how that would effect anything unless it was running, but hey ill give it a shot
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phonedawgz
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APR 09, 05:05 PM
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Wires rarely (never) go bad unless damaged. For test purposes, you can run a wire to see if it solves the problem. But look at connectors for your problems. Look at corroded terminals. Look to see if the terminal has gotten pulled and the wire is barely connecting.
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TheDuke
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APR 09, 05:24 PM
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the question is run a wire from where to where? from my fuse i have 12v all the way to the relay with the orange power lead, but after the relay(i took the plug apart and cleaned the crap out of it) which is a new relay im only getting .02v with the tan lead that goes to the fump plug
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TheDuke
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APR 09, 05:25 PM
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TheDuke
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APR 09, 05:29 PM
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shouldnt there be 12v coming out of the relay thru the tan wire?
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Gall757
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APR 09, 06:01 PM
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| quote | Originally posted by TheDuke:
shouldnt there be 12v coming out of the relay thru the tan wire? |
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not all the time. key on/engine off....it lasts about 3 seconds.[This message has been edited by Gall757 (edited 04-09-2020).]
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TheDuke
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APR 09, 06:38 PM
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im glad you said that because i just put the tester on the relay and turned the key on and got 13 volts for a few seconds then went to less than 1v both on the relay and the tan wire at the fuel pump, i thought i had entered the twighlight zone
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Dennis LaGrua
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APR 09, 06:45 PM
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| quote | Originally posted by TheDuke:
im glad you said that because i just put the tester on the relay and turned the key on and got 13 volts for a few seconds then went to less than 1v both on the relay and the tan wire at the fuel pump, i thought i had entered the twighlight zone
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Replace the relay------------------
" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "
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TheDuke
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APR 09, 07:43 PM
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the new relay that i put in it the other day turned out to be bad, just replaced the relay with a new one from a different store and i finally have gas to the filter, bad news the injector appears to be bad
any way to test the injector?
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Gall757
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APR 09, 09:07 PM
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| quote | Originally posted by TheDuke:
any way to test the injector? |
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NOW you can start a new thread! This is a different subject. Congratulations on solving the fuel pump!
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