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Why im not getting fuel?

Discussion in 'General Tech and Maintenance' started by Justin66, Apr 5, 2009.

  1. Justin66

    Justin66 The Hondaswap Canadian

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    Sounds like a common problem but i think mines a bit different. Two friends of mine are looking at the car for me in their new shop. Its better there than in my driveway all winter long.

    Problem:

    The fuel pump isnt turning on with the ignition. We have checked the relay and it seems fine so its likely the wire to the pump? We know that part BUT we wired the pump to the battery and it primes and i have fuel pressure. The thing is even with it working the car still doesnt start and the second you start to crank the pressure drops and it only coughs.

    What would cause this? Does the relay have to be working for the pump to work properly or does being wired to the battery do the same thing? Could a distributor wore being off affect it at all, or that just for spark? And yes we have spark.

    Anyone have an ideas?
     
  2. Justin66

    Justin66 The Hondaswap Canadian

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    Or is the pump going?
     
  3. awptickes

    awptickes unimpressed by you VIP

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    Could be the pump or the wiring/connectors to the pump.

    Do you hear the relay click when you turn it on? Check the relay.

    Pull the pump and test it.
     
  4. Justin66

    Justin66 The Hondaswap Canadian

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    They told me the relay was clicking, ill see about the pump.
     
  5. BrokenRex

    BrokenRex New Member

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    the thing about electric motors is when they get weak, they'll still spin (prime in the case of the fuel pump) but when too much load is put on them they stop turning and just overheat. the pump may be coming on and pumping fuel just until it reaches whatever PSI it's condition lets it reach, then it stalls out, leaving you with not enough to start your car. to see if it's good, you need to flow test, and pressure test it. it will probably be worth it for you to just replace it since you're going to remove it anyway.
     
  6. FLounder

    FLounder power hungry VIP

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    sounds similar to a DA i used to have when the fuel pump went bad. it had about 170k miles on it.
     
  7. K2e2vin

    K2e2vin Senior Member

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    Relay click does not mean it works. The main relay is actually two relays in one. You could be hearing one relay clicking, or the relays are flipped on but the circuit is not closed due to bad solder.

    Take the relay out and actually check it(also go by Helm's algorithm/flow chart for testing relay; listening for a click is not enough).
     
  8. Justin66

    Justin66 The Hondaswap Canadian

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    Ok ill do that too but still the fact that even with the pump wired to the batt it still doesnt seem to be working right. Ill have to recap with them soon, they get busy in their new shop lol.
     
  9. K2e2vin

    K2e2vin Senior Member

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    If the pump isn't working with direct power supply; replace the pump.

    Also, how's your fuel level?
     
  10. Justin66

    Justin66 The Hondaswap Canadian

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    Well the pump at least primes up with direct power.The level in my tank is half.
     
  11. awptickes

    awptickes unimpressed by you VIP

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    see if you can replace the pump with a known-good pump.
     
  12. 92stoccord

    92stoccord Big Member VIP

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    Definitly check all your wiring,my explorer's wiring went across the exhaust and melted until it broke. If you get the pump to run, and the motor isn't running, check your filter, all your lines, make sure that there aren't holes in anything, then i'd say it's a bad pump.
     
  13. ihatemyprelude

    ihatemyprelude New Member

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    Thats cause its made by ford :( , It so sounds like a bad pump bud, check aftermarket fuel pumps before you buy a OM pump, they are around 100$ for a 255 welbro.
     
  14. Justin66

    Justin66 The Hondaswap Canadian

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    ^ ive been seeing that everywhere about the Walbro's. I might order one after i talk with my buddies, see if its the best thing i should start with.
     
  15. Magana559

    Magana559 The Warden

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    Walbros are great fuel pumps!
     
  16. Justin66

    Justin66 The Hondaswap Canadian

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    Its what ive heard.
     
  17. eg6sir

    eg6sir Supa Mod Moderator VIP

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    that wont be the only thing you hear either if you get a Walbro.. they're loud.. a 255 is overkill for a stock motor.. a 190 will be suffice
     
  18. Justin66

    Justin66 The Hondaswap Canadian

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    Im having trouble finding anything other than that. I hate searching for parts locally, so i if you know of any good other places to get pumps from (that ships to Canada), that would be great.

    EDIT: K i found a 190LPH Walbro,would this be good? http://www.jazzproparts.com/product_p/gss278-400-965.htm
     
    Last edited: Apr 7, 2009
  19. ihatemyprelude

    ihatemyprelude New Member

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    if that is for your year/make of civic yes you just pull the sending unit out and put that one in its not to hard.
     
  20. Justin66

    Justin66 The Hondaswap Canadian

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    I have a teg lol.
     
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