Question about 1999 Dodge Durango

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Fuel pump not on but if we tap the fuel tank it turns on but still goes off will driving our sitting and if we hit the tank turns back on

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Change the fuel pump its bad

Posted on Dec 27, 2008

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2002 Grand Am- replaced fuel pump twice as it was not coming on when turning on key. Hit bottom of tank and pump starts. Not thinking pump the issue after third one. Runs great but will die while...


Sounds like a loose wire connection in the wire harness connector. I would check the wiring around the connector. I don't see how 3 different pumps can do the samething and I have been doing this for 51 years.

Sep 07, 2011 | 2002 Pontiac Grand Am

1 Answer

IT WON'T TURN ON EXCEPTTED WITH STARTTING FLUED? i need a diagram of the fuel pump!


GM fuel pumps are really easy to diagnose.

Back at the fuel tank you will see a harness that goes to the fuel pump. There will be two grey wires, one black, and one purple wire. The larger grey wire is the power supply to the fuel pump. There should be power on it for 3-5 seconds when the key is turned to the run position and anytime the engine is cranking over.

If there is power there and you have no fuel pressure than the pump is bad. Take a rubber mallet and hit the center of the fuel tank while somebody cranks the engine over. If the pump starts to run you just confirmed that it is bad. Hitting the tank is not a repair. Usually it tells us that the brushes are bad or the commutator is worn out in the pump. Hitting the tank will jar the pump just enough to getting it working in most causes.

If you have no power to the pump let me know and I'll get you some more info on what to check. It is rare to have other issues.

Mar 13, 2011 | 1996 Pontiac Grand Am

1 Answer

Ran out of Gas in '96 Chev Blazer


the fuel pump motor is lubricated by the gas in your tank
when you ran out it sounds like the fuel pump motor seized and is stuck there.There is a little known thing that will get the pump unstuck if it's not burnt up .
take a hammer,yep a hammer,
have someone hit the bottom of the gas tank while someone cranks the engine,don't be afraid to hit it hard you want the fuel pump to feel the hit and loosen up,make sure your tapping the tank and not the metal strap that holds the tank up! That should get you going,

Nov 25, 2009 | 1996 Chevrolet Blazer

1 Answer

Car won't start, turns over but does not seem to be getting any fuel


if you dont here the hum of your fuel pump when you turn your car on then that would be the reason if your pump is external not in the tank try tapping it if it in your tank try tapping the tank also find out where your fuel pump relay button is try reseting it by pushing it.but if its your pump and the hitting it works it will work for a while but is temporary and will leave you stranded if you dont get it fixed

Oct 18, 2009 | 2000 Ford Focus

1 Answer

93 xj6 stalled at a light, can't be driven


The first thing I would check in a situation like this is the Fuel Pump.

Your fuel pump is physically inside the Gas Tank (which is located between the rear seats and the trunk/spare tyre).

However, the control unit for the fuel pump/motor is right on top of the tank. My experienced mechanic gave mine a couple of bumps with a small object (like a small pipe to reach the box) to kick it back into operation.

Here's a quick 15 minute test:

Try this: keep the tank -Filled Up- this will help to cool the Fuel Pump which sits in gas inside the tank.
-Put your keys in the ignition and turn to stage2 (right before you begin to turn the engine over),
-Go around to your trunk and give the Fuel Pump a couple bumps with a tool that will not hurt it (it is covered in solid plastic).
-Then try cranking the engine while pressing down on the gas pedal, one of three things will happen, 1) The engine turns over and everything is gravy! 2) It cranks but doesn't start up 3) It cranks but doesn't start and you can smell gas from the engine bay.

If #2 is you: then your fuel pump has hit some scummy **** and doesn't want to work without repair or cleaning, try giving it another knock or two with the electrics in the car turned on. Maybe have a friend crank the car while you -tap- on the fuel pump.

If #3 is you: Check your spark plugs, they could be misfiring.

If all above fails I would start thinking that you engine idle valve is dirty and needs a quick clean.

Best luck!
JeremyM

Jul 26, 2009 | 1993 Jaguar XJ6

1 Answer

Quits while driving replaced many suspected parts


try this, the next time it quits leave the key in on position and get a broom stick and go to the passenger side of the car. About straight in at the back of the door ,reach under with the broom stick and tap the plastic gas tank a few times, have someone try to start it or go start it yourself. Mine did this even after the garage checked it out and cleaned the tank. Come to find out dirt settles around the fuel pump and clogs it. They just blame the pump but in my case the pump was fine. I was told Alero used a very small fine mesh in the sock that goes in the fuel pump and they clog up. But most of the dirt was around the plastic guard around the fuel pump. See if this works and let us know. Good luck

Apr 04, 2009 | 2000 Oldsmobile Alero

1 Answer

72 Pontiac GTO, been sitting for 8 years. I can't


You hit the nail on the head. Chances are the sending unit filter "sock" is clogged. Most of the time you can clear it by blowing compressed air back through the tank.
I would however, inspect the suction line from the fuel pump to the tank for rust obstruction and hoses for de-lamination.
Disconnect the line just before it goes into the tank and try to blow air through it just to make sure it is not rusted shut.
Good luck, let me know.
Regards,

Mar 23, 2009 | 1988 GMC S-15

1 Answer

Engine not getting gas


Without crawling inderneath our car to look, I'd say the tire hit your fuel tank and dented it or tore a hole in it. The fuel pump and fuel guagesending unit are in the fuel tank, and the pump itself sits pretty much at the bottom of the tank. If the chunk of tire put a big enough dent in the tank, it could dislodge the pump or put it in a spot where it would not pick up any fuel. I once hit a racoon that I couldn't avoid and it ripped the muffler clear off my car. Highway speeds and decent sized objects can cause some pretty serious damage to cars.

Jan 13, 2009 | 1995 Cadillac DeVille

1 Answer

1993 Volvo 850 fuel issues


it is the fuel pump for sure. If you can hit the tank and get it to run it is the pump. this drain back (hard start after sitting) is a fuel pump issue as well

Nov 24, 2008 | 1994 Volvo 850

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