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so i recently started having fuel pump problems after having my car for two years but the weird thing it happen out of no where
i took off the pump and connected it to the battery and still seems to be pumping what could be happening ive look for a fuse for the pump but nothing anyone have any ideas ?
any help would be great
1
Fuel Pump Not Running
Started by Lets.Race87, Nov 28 2014 01:29 PM
9 replies to this topic
#1
Posted 28 November 2014 - 01:29 PM
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- Slowpoke
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- Group: Members
- Location:Cali
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Drives: 1987 Honda Civic Si (hatch)(ClassA)
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#2
Posted 28 November 2014 - 01:35 PM
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- Speedy
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- Group: 2014 Contributor
- Location:NW Arkansas
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Drives: in circles. I did take a right out of turn four once and regreted it.
#3
Posted 28 November 2014 - 01:47 PM
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- Slowpoke
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- Group: Members
- Location:Cali
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Drives: 1987 Honda Civic Si (hatch)(ClassA)
i tried replacing it but the only one i found at the pick ur part was a civic Dx
i need to try to get a Si relay
do you know if the dealers still sell them ?
#4
Posted 28 November 2014 - 01:49 PM
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- Slowpoke
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- Group: Members
- Location:Cali
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Drives: 1987 Honda Civic Si (hatch)(ClassA)
#5
Posted 28 November 2014 - 02:04 PM
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- Slowpoke
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- Group: Members
- Location:Cali
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Drives: 1987 Honda Civic Si (hatch)(ClassA)
#6
Posted 28 November 2014 - 02:36 PM
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- Speedy
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- Group: 2014 Contributor
- Location:NW Arkansas
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Drives: in circles. I did take a right out of turn four once and regreted it.
I think all Hondas (and Acura) this vintage used the same main relay. I've yet to have one stop working but I keep spares... Others know way more than I but I know it is a common issue for them to quit. I think your local parts store will sell them.
#7
Posted 28 November 2014 - 05:56 PM
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- Leadfoot
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- Group: 2011 Contributing Member
- Location:Akron , Ohio 44305
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Drives: 1986 CRX si
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#8
Posted 30 November 2014 - 01:24 PM
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- Slowpoke
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- Group: Members
- Location:Cali
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Drives: 1987 Honda Civic Si (hatch)(ClassA)
i recently just bought that exact relay but terminal number 5 was backwards might have to return it but i also went to the pick your part and got another relay and the fuel pump did not prime or nothing 
#9
Posted 08 December 2014 - 08:44 PM
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- Dug Diggler
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- Group: 2009 Contributing Member
- Location:Silver Spring, MD
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Drives: 87 CRX w/Si motor, 86 Civic DX Hatch, 2001 Prelude
You should connect a volt meter to your wire where it connects to the terminal on the pump to see if it gets electricity. Maybe it's not the relay.
Going to Hawaii? You need a Dune Buggy.
WTB: 14x8 or 9" Panasports or Watanabe RS.
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WTB: ZC header--FOUND
#10
Posted 29 December 2014 - 12:19 PM
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- In the left lane
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- Group: 2014 Contributor
- Location:Greenville, SC
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Drives: 86 Civic HB Si + 87 CRX Si
The solder joints on the main relay crack over time and lose contnuity intermittently....resoldering the big blobs of solder worked for me in the past.
I probably have a factory relay if you are in a bind.
Check the fuses (main power 45 Amp; main relay 15 Amp; fuel pump 10 Amp through ignition switch) of course and make sure your grounds are clean and good especially the rear harness ground (right rear) which the fuel pump flows power through.
Checking for voltage at the pump connector is a good idea too if you want to dig into that rats nest. Factory pumps have been rock solid for me.
Good luck.
Tim
I probably have a factory relay if you are in a bind.
Check the fuses (main power 45 Amp; main relay 15 Amp; fuel pump 10 Amp through ignition switch) of course and make sure your grounds are clean and good especially the rear harness ground (right rear) which the fuel pump flows power through.
Checking for voltage at the pump connector is a good idea too if you want to dig into that rats nest. Factory pumps have been rock solid for me.
Good luck.
Tim
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