Question about 1989 Honda Accord 4 Door

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Fuelpump will not run and start car part of the time

Replaced fuelpump relay twice same results ,checked voltage at fuelpump with switch on and in start posiion. pump starts car part of the time. no voltage sometimes in the run posiion voltage in the cranking position. bybass relay and pump runs gas into the carb. id it the switch? wiring,or pump?

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  • Anonymous Aug 06, 2008

    car will start then dies. no fuel pressure coming out of filter. bleed system then car will start

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2 Answers

Replace fuelpump fixed problem

Posted on Jul 08, 2008

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I think switch most likely.

Posted on Jul 04, 2008

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We replaced a bad fuel pump on 06 escaped limited. There is no power to fuel pump. we have checked all fuses, relays and reset switch. Where else could the problem be?


Hello, You might try a Relay that controls the PCM or ECU. They would be in the Powerbox where the fuelpump Relay is. Some of the Relays are identical so you could buy 1 and it would be a backup part for several.

You should also look at the other things the Ignition switch turns on in the Run position. Does the radio work, the fan motor, or turn signals? If they do not work look at replacing your Ignition switch.

The PCM and ECU get their power indirectly from the Ignition switch. When all have power they will connect to the fuelpump Relay. Since you said you checked the Relays, I am taking that to mean you checked the fuelpump Relay only. Many times people do not know that there are several relays which all need to connect to get the fuelpump to run. When you determine the Ignition switch is good, then the ECU and PCM relays should be getting power. Have you tested the fuelpressure Regulator? It needs to demand fuel from the pump.

The fuelpump relay depends on the ECU or PCM relays to work. One of the 2 relays may be bad and preventing the fuelpump relay from working. When you get to trouble shooting the terminals you can get wiring diagrams online or the info may be in a book at the Autoparts store.

One of the benefits of using a Dealer with the hardest problems is the tools they have. They have machines with connectors that match every wiring connector inside your car. If one section is unplugged they can test the wire loom section by section until the problem is found.

I hope you have found my solution to be very helpful and that I have brought up a few new areas to try. If trying different parts does not help, you are left with a wire by wire battle to fix this and the Dealers' better tools may make more sense.

Apr 03, 2011 | 2006 Ford Escape

1 Answer

I have a 2004 freestar that wont start.changed fuel pump still wont start.pump wont run!


Hello, If you have not checked your Inertia switch it shuts off the fuelpump and may need to be Reset. It should be in the RH side of the jack compartment. You just push and hold a button on the switch and then the fuelpump should work.

The Inertia switch is a safety device and can trigger when a door or hatch is closed hard enough to simulate a crash. You also can have a Relay in the Powerbox which may be labeled. Try the Inertia switch first and if it does not help, then change the Fuelpump Relay.

Feb 26, 2011 | 2004 Ford Freestar

1 Answer

When i first tune the key on the fuel pump dose not engage. I checked the battery and charging system and both are good, but if i jump the car or hook up my battery charger on start mode the fuel pump...


Alot of times a bad fuelpump will run with the extra voltage not often but sometimes, i would check the power voltage and ground at the fuelpump, this is the only way to know for sure, if you get 12 volts and have a good ground at the fuelpump then i would say the pump is bad, check all wires going to the battery, make sure there are no loose wires or connections at battery terminals and try changing the fuelpump relay with another one and see if that helps, a bad relay can also cause this, good luck.

Feb 12, 2011 | 2000 Lincoln Town Car

1 Answer

My Jaguar is a XJ6 3.2 Sov with 103K been well looked after but has just started cutting out and will not start again for a while after this very well. It never happens to me only my partner. It runs very...


when the car won't start. turn ignition switch off . remove gas cap and have someone turn ignition switch on without cranking the engine.listen for a hissing sound that should last for around 3 to 4 seconds, If you don't hear it the most likely problem is the fuel pump. you can further confirm this by checking voltage at the fuel pump by repeating the first step . There should be 12 volt supply for a few seconds when ignition is turned on.If voltage is present and no sound ,replace fuel pump and raplace fuel filter. Fuel pump is in gas tank. this is a very dangerous operation and suggest you bring it to a mechanic.If there is no voltage ,check the electrical plug to fuelpump as to my experience a lot of unsolved intermittent fuel pump problems could be traced to this plug.The other cause could be fuelpump relay or ECU.

Nov 17, 2010 | 1995 Jaguar XJ6

3 Answers

Im having fuel pump issues. could you please tell me where the fuel pump is located on a 2002 Pontiac Grand Am SE


The fuelpump is located inside the gas tank, you will need to drop the tank to replace the pump, heres a picture of the pump and in goes in through the top of the tank, the fuelpump is called a fuelpump module because it comes complete with holder sending unit and all other parts as you will see in the picture,hope this helps, good luck.johnjohn2_17.jpg

Nov 09, 2010 | 2002 Pontiac Grand Am

1 Answer

Why wont my car start after replacing the fuel pump


Do you hear the fuelpump running? Check the Inertia switch under the right front passengers kickpanel. There is a button to press and it will reset.

This is a safety switch for impacts and when the fuelpump was disconnected, it can sometimes trip.

Also, when you diagnosed a bad fuelpump, there are Relays and fuses which supply the power. Your original problem could have been a bad relay.

Oct 15, 2010 | 2000 Ford Focus

2 Answers

I have replaced the fuel pump amongst a lot of other things. I can spray gas or starting fluid in the throtal body and it will run rough untill the fumes ware out. Its a 1995 ford explorer 4x4 xlt


If you hear the fuelpump operate the first 1 or 2 seconds when the key is turned to RUN position, the fuelpump is working. If you do not hear the fuelpump run, check the Inertia switch which should be in the side panel of the rear cargo area. If you have an owners manual check for the Inertia switch location.

To reset the Inertia switch, hold the button on it for 2-3 seconds. You should now hear the pump run. You may also have a fuelpump relay under the hood in one of the Powerboxes. The Powerbox may have a fusible link from the Battery. When the fusible link is OK and the Pump Relay is OK, there is a fuse in the Fuse panel. Then finally the Ignition switch will trip the Pump relay. As power flows through the wire to the fuelpump the Inertia switch can break the power connection.

So you have 5 powerpoints before the fuelpump will work. Fusible link, Pump Relay, Fuse Panel, Ignition Switch,and Inertia switch. These must all work before the fuelpump can run.

Aug 14, 2010 | 1995 Ford Explorer

1 Answer

Fuel pump not getting power checked fuses and relay and fuel pump is relay board bad


Check in the trunk on the drivers side for an opening in the carpet. There can be 2 switches and 1 is for the Air ride and the other is a fuelpump safety switch. The safety switch is called an "Inertia switch" and it has a push button for Reset. Just hold the button down for 3 seconds and it will reset.

Then turn on the Ignition and you should hear the fuelpump run for a few seconds. It should be ready to start. If the Inertia switch was tripped it is made to kill the fuelpump upon impact. Slamming a door or the trucklid can make it kill the fuelpump.

Jul 25, 2010 | 2003 Mercury Grand Marquis

1 Answer

Truck starts runs for a second shuts off .


The fuelpump is primed by the oil pressure switch.When the fuel pressure reaches normal PSI the computer shuts that pressure switch off and turns thepoweron to the fuelpump relay.You have a bad fuel pump relay

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1 Answer

Fuelpump problem 2000 Suburu outback


check fuel lines for leaks...
good luck

Aug 16, 2008 | 2000 Subaru Outback

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