Question about 1992 Honda Accord

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Honda accord is the fuel pump relay and the main relay the same part, because i changed out the main relay

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  • Anonymous Mar 17, 2014

    HI I HAVE A PROBLEM WITH MY HONDA ESI 1994 MANULA TRANY THE FUEL PUMP HAS NO POWER SUPPLY AND THE FUEL INJECTION IVE ALREADY CHECK THE FUSES AND MAIN RELAY ALSO THE COMPUTER BOX AND ITS ALL OK WHAT SHOULD I DO PLS HELP?

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The main relay on 1992 Accords are considered a dual relay. It controls both the ECU and the fuel pump in tandem.

Posted on Sep 21, 2008

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  • 182 Answers

The fuel pump usually has it's own relay.You may need to check the ground wire for good contact.

Posted on Sep 10, 2008

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SOURCE: Has anyone had a main relay problem with the 1999 honda accord?

It can be a faulty replay or your pump may be going bad. If this happens check first if there is gas coming out of the fuel filter or to the hose before it. It could also be caused by a clogged fuel filter. If there is no gas going to the fuel filter, have the relay for your fuel injection checked out. It is located under the driver side dash. Check also if you have any issues if your pump when directly connected to the battery.

Posted on Aug 29, 2009

MrRodneyLong
  • 55 Answers

SOURCE: 1989 honda accord fuel pump or relay not working

I know that you want a simple answer but, have you done any troble shooting steps at the pump its self? when the relay is in does it pump at all? what is your lin pressure?

Posted on Jul 03, 2008

dveight
  • 24 Answers

SOURCE: Intermittent fuel pump relay, need help

try tapping on it a bit or banging on it, but before you do, let me tell you that you need a new fuel pump or the hose could have something in it blocking flow or something.

Posted on Jul 11, 2009

  • 105 Answers

SOURCE: need wiring diagram for 1991 honda accord to trace

email me at
TOSTYLEZ@LIVE.CA
for wiring diagram
I will send it for u

Posted on Sep 24, 2009

  • 1146 Answers

SOURCE: My honda civic 1998 model fuel pump failed and I changed it

The PGM Main relay is outboard of the glove box. You can see it if you get the glove box out of the way, but to remove it, you need to pop the triangular shaped plastic trim off of the end of the passenger side of your dash. The relay is held in place with one 10mm bolt and the electrical connector.

Posted on Oct 20, 2009

6ya6ya
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Posted on Jan 02, 2017

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1 Answer

Dont know which fuse operates fuel pump


) Unplug the main relay and then turn the key from off to ON(II).

2) Use a jumper wire or paperclip to jump terminal 1 to terminal 7 in the main relay plug. Does the fuel pump run?

3) Now use the jumper wire or paperclip to jump terminal 5 to terminal 7 in the main relay plug. Does the fuel pump run?


picture_6583.jpg

Jan 05, 2014 | 1994 Honda Civic

1 Answer

I have a 1996 Acura 3.5 R.L. just put a new fuel pump in and it won't start. It turns over, but will not stay started.


Check your main fuel relay.



Fuel Supply System


PGM-FI Main Relay


Description


This PGM-FI main relay is located behind the dashboard


lower cover. The PGM-FI main relay actually contains


two individual relays. One relay is energized whenever


the ignition is on. It supplies battery voltage to the PCM,


power to the fuel injectors, and power for the second


relay. The second relay is energized for 2 seconds when


the ignition is switched on, and when the engine is running.


It supplies power to the fuel pump.


PGM-FI


MAIN RELAY



FUEL


PUMP


RELAY


Relay Testing


NOTE: If the engine starts and continues to run, the PGMFI


main relay is OK.


1. Remove the PGM-FI main relay.


2. Attach the battery positive terminal to the No. 3*


terminal and the battery negative terminal to the


No. 2* terminal of the PGM-FI main relay. Then


check for continuity between the No. 5* terminal and


No. 2 terminal of the PGM-FI main relay.


• If there is continuity, go on to step 3.


• If there is no continuity, replace the relay and


retest.



*: 8P CONNECTOR


To FUEL PUMP


3. Attach the battery positive terminal to the No. 4 terminal


and the battery negative terminal to the No.


7* terminal of the PGM-FI main relay. Then check


that there is continuity between the No. 3 terminal


and No. 1 terminal of the PGM-FI main relay.


• If there is continuity, go on to step 4.


• If there is no continuity, replace the relay and


retest.


4. Attach the battery positive terminal to the No. 1 terminal


and battery negative terminal to the No. 2*


terminal of the PGM-FI main relay. Then check that


there is continuity between the No. 5* terminal and


No. 2 terminal of the PGM-FI main relay.


• If there is continuity, the relay is OK;


If the fuel pump still does not work, go to Harness


Testing on the next page.


• If there is no continuity, replace the relay and


retest.



To PCM CONNECTOR


TERMINAL A4


To ST. SWITCH


To GROUND


To IGN. 1 To BAT


To PCM


CONNECTOR TERMINALS


A13 and B1


FUEL PUMP


RESISTOR


FUEL PUMP

Sep 18, 2013 | 1996 Acura TL Series

4 Answers

My car won't start I have changed the coil fuel pump fuel pump relay and the Mfi relay I now think its the crank shaft relay but I do not know help me !


Sounds like maybe the main computer is bad. When you cranked the engine there is not any indication that it is firing. If you have changed the fuel pump and coil and it still wont even fire, the computer is most likely the cause. Even if the timming was off you would still get some indication that it was trying to start although it probably would not if the timming was off, but the fact it's not even trying to fire yeah that's my take.

Mar 23, 2013 | Cars & Trucks

1 Answer

1991 honda accord starts intermittently. When it doesn't the gas guage goes below E. Gets spark, no fuel. Already changed main relay.


Hey man if you already changed out the relay i would try changing your fuel pump and sending unit that should stop both of your problems.

Aug 16, 2012 | 1991 Honda Accord

1 Answer

I have 1986 Alfa Spider that won't start. Car has been sitting for a year. I replaced battery, fuel tank, fuel sender unit, both fuel pumps. I seems that the in tank pumps is not getting any po


Could be the main or fuel run relay located in the compartment under the luggage rack, passenger side, main relay also, fuse for the fuel relay 8amp. Electronic Control Unit is also located there.

Could be electrical, Hook up a timing light, three leads: Power, Ground, and one that goes around the wire to #1 cyl. Turn the engine over and see if there's firing. Note: u can check all 4 spark plugs this way.

Fuse lead goes to pin 30 of the fuel relay, u can jump 30 across to 57 and check for the pumps running, if not, change-I suggest both relays, main and fuel run relays. Both pumps get their 12v DC from the fuel run relay, both should be running when you switch ignition switch to on, then a tachymetric signal is fed from the coil to the relay to keep it running.

Jun 10, 2012 | 1986 Alfa Romeo Spider

1 Answer

I have a 94es300 i crank it it starts up runs 5 mins shuts off like not getting enough gas changed fuel pump, fuel filter , fuel pressure regulator and ignitor still same whats up with this car


If you changed the fuel pump and the fuel filter and ignitor and regulator,in the list of changes do you know you have a EFI. The EFI main relay turn on the fuel pump which includes the circuit opening relay. Testing it mainly passes with flying colors just replace

Mar 20, 2012 | 1994 Lexus Es 300

1 Answer

Have a 1991 Accord that is turning over but will not start. , already change fuel filter still no gas flow. Should I change the relay before I change the the fuel pump? Where is the fuel pump relay switch...


i dont recommend you throw away money like that because 50 is a lot less then 300 plus labor, its still alot. what did you do to check that there was no fuel pressure? did you check your ecu/main relay fuse? and is there no fuel pressure at all? if there is no fuel pressure at all, it would most likely mean a bad main relay. well eithr way, here go the instructions:
http://techauto.awardspace.com/mainrelaydefine.html

Jun 20, 2011 | 1991 Honda Accord

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