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| Let's get Technical! Discussion for hardcore in-depth motor heads! |
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#1
08-21-2005, 01:47 PM
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no fuel help
last nite i was driving and i was almost home and my car died... and it wont start up again....
i noticed the fuel pump isnt making the normal noise..... u know when you turn the key to ignition it makes like a buzin noise that when the fuel pump turns on rite?... well its not doing that anymore.... wat could be the problem.... 
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#3
08-21-2005, 11:10 PM
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took fuel pump out of car..... ran direct power to it from the battery... and it spun and shot gas out at me... so i know the fuel pump is working...
and all the fuses are good... i have no clue what is wrong?
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#4
08-21-2005, 11:35 PM
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Check for voltage at the pump connector with the ignition on if there is no voltage, which I would assume there isn't, check the pgm-fi relay. If the relay checks ok then there is probably a damaged wire somewhere.
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#5
08-22-2005, 08:06 PM
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Re: no fuel help
main relay....
__________________
2002 Acura TL Type S 1991 Honda Crx Si
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#7
08-22-2005, 09:18 PM
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Re: no fuel help
Quote:
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#10
08-23-2005, 06:44 PM
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Re: no fuel help
Quote:
It's not the pump, and it's not the battery. 2 down 2 to go. Wiring and the relay Did you check to see if you had voltage to the pump? Did you check to see if you had voltage to the relay? Your relay should have two power sources one from the ignition switch or computer and one from the battery. You need to check them both while the engine is cranking. So let's add the ignition switch/computer it is #3 As for your no spark now. Your fuel pump relay might provide power to other things (I don't know, don't ask)It might not. Also, there should be a safety measure built in. If you do not have a rpm signal you will not get power to the fuel pump relay. This kills the fuel pump in case of an accident. After all you don't need fuel if the motor is not spinning. As you can see it is dangerous to bypass the relay This is a bad thing. So to finalize check Signal from dist. for RPM Power to relay. Ignition switch/Computer and Battery Likely it is the relay. However if your computer is not getting an RPM signal it will not provide power to the relay and or the coil. I hope this will get you somewhat "UN"crabby SH
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#11
08-24-2005, 07:58 AM
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can not find the relay for the fuel pump....
dont know what you mean by check the distributor what do you want me to check on it? i've tried swapping out ecu's and it still doesn't start so i dont think its a ecu problem.... the ignition works ............
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#12
08-24-2005, 08:01 AM
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i was told relay was behind the glove box on a 96 up civic ex... if so how do i take the glove box off ?????
also when i find the relay how do i check if its good or bad?
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#13
08-24-2005, 08:03 AM
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and my car does crank over.... cranks and cranks and cranks... but it just gets no spark or no fuel........ thanks for all the help.... still need more though guys... please help me
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#14
08-24-2005, 10:35 PM
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fixed the problem.... a wire under the steering column... was loose just reconnected it and it started rite up.... i dont know what that wire was but it did the trick.... lol...
thanks everyone
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