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Put a new pump in well and it keeps running can not finds no leaks, showing 30lbs of pressure on tank

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Adjust the pressure switch if it has an auto switch off
if it is a jet pump then the water will continue to circulate through the pump back to the jet nozzle and up to the pump
if it is not controlled the eventually the pump will boil the water and overheat

Posted on Dec 26, 2016


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1994. Why won't it start?

If the fuel pump/s continue to run with key on, suspect a relay issue. The relay is grounded by the vehicles computer. If the computer supplies a constant ground, the relay will continue to stay closed and power the fuel pumps constantly. If the the ground wire that comes from the computer to the relay is shorted/grounded, the relay will stay energized as well. As for the no start, are the injectors getting a power and ground supply? The ground side of the injector is controlled by the computer as well. Is the vehicle getting spark at the coil/plug? Have you scanned the computer for any trouble codes?

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My 98 Deville will not stay started. I chafed the fuel filter and it ran find for 20 mins and now even putting gas in the intake will not keep it started and keep tryin to start it runs down the batti

sounds like a fuel pump pressure issue..need to pull the line up front and check for fuel pressure..replace the pump if bad, money an issue? get a junyard tank like I did,,35 bucks and put it on..also check the throttle body assembly for operation..should spray gas into the intake while cranking on it(in spurts) if not replace the tbi unit with a salvage part..repost please

Jan 17, 2013 | Cars & Trucks

1 Answer

Car runs great but it starts hard having to pump it. when running it will shut off especially at low rpms.i take car out of gear and shut off and it will restart.i put new plugs and wires and tps.i tried...

This problem is caused by in most cases the fuel pressure bleeding down when the engine is shut off, this leads to air in the fuel line because the fuel leaks back to the pump and then into the fuel tank. The fuel pump is electric and it has a built in fuel pressure check valve in the pressure outlet of the pump. To confirm this is the problem you must have a fuel pressure leak down test run, the test port to check fuel pressure is on the top of the engine in the pipe that supplies fuel and sets over the top of the fuel injectors. You can purchase a fuel pressure test gauge from most auto parts stores for about $20.00. Hook the test gauge up to the test port (it looks like an oversized tire valve) start the engine and verify you have no leaks at the connection of the gauge, once that is sealed and has no seepage of fuel note the fuel pressure at idle, shut the engine down and watch the gauge, it should not drop more than 4 pounds in one hour, in most cases it will drop off right away. If the fuel pump is the problem you will need to replace it, to do that requires you drop the fuel tank down out of the car, this is a very difficult job on the ground, you will need to raise the car as high off the ground as possible, support it on jack stands and then with a hydraulic floor jack support the fuel tank and remove the filler neck then remove the two steel straps that secure it to the cars underside, once the straps are off slowly lower the tank and remove the fuel lines and the electrical connector from the fuel pump/sending unit connector, then remove the tank and remove the retaining ring that holds the fuel pump/sender module inside the tank. Reverse to assemble, then put at least 4 gallons of gas in the tank to prime the pump.

Jan 08, 2012 | 1994 Oldsmobile Silhouette

1 Answer

My Campbell Hausfeld compressor is brand new and runs and runs without building up pressure.

It sounds like you have a leak , you need to find where it's leaking.

But first things first - you said it's brand new , I am assuming you filled the pump with the proper amount of oil before running it.

Second thing is for the first run per the book you are to open the drain plug (bottom of tank) and run it for one hour. This is to break in your pumps rings under a no load condition.

I would then let it cool off for an hour or so , re-check the oil level , close the drain and let it pump up to fill the tank. If it is not building pressure check the drain plug , the unloader valve, fill pipe (the pipe from pump to tank) and fittings for leaks.

I am sure you have placed a female quick connect on the regulator so be sure it is not leaking also.

Good luck !

Don F

Sep 08, 2011 | Campbell Hausfeld NoEX8008 5HP 26GAL...

1 Answer

We have a Gould's domestic water pump and the limit switch was replaced and it still runs constantly and won't shut off. Any ideas??????

Yeah, if it won't shut off the pressure tank is not getting pressure to it or leaking out, first the cheapest ideas to try would be have someone turn water on when you are looking at the pressure gage, what psi is it, you want atleast 60, then, havet them turn off water, keep watching the gage for a minute see what it does if pump still runs its not building pressure so, is this a new install, or has it just started happening, if its new did you prime the pump? if you did the pressure gage may need replacing this is cheap, if that doesn't fix the problem, then you need to check your pressure tank the bladder may be worn out, so if I was you, I would also check for air leaks make sure all fittings are tight, you can take your hand and place on pump when running, turn water on to do this, or you may be able to hear air leaking, definate sign that your not building pressure so pump cant work with pressure tank, now if your bladder is still good once airleaks are fixed the bladder will build the pressure it needs then your done.

Aug 04, 2010 | Plumbing

3 Answers

How do i get the old fuel pump off

Remove the fuel fil hose,and vent hose,and remove fuel tank straps,with jack supporting tank,lower enough to remove wire connector,and fuel lines .Remove tank from under vehicle,and remove the ring retainer,and pull the fuel pump assem,from tank.Follow instructions in the box with the new fuel pump.

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High Idle/low speed miss

look for a diagram under the hood follow the route for each vacum . you have a intake leak take your time and go over each side of the engine even plastic air line could be cracked

Aug 17, 2009 | 1999 Ford Mustang Cobra

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Most likely the pump is leaking somewhere, if the new hose is not leaking. Hoses don't just burst without showing signs or wear and tear, i.e. cracking and splitting. The pump was probably having problems, and this caused the hose to burst. Look for signs of leakage, and if you can't find them, the pump is shot.

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Stalling problems

Remove the raidator cap while running or watch the overflow tank for bubbles. If you see bubbles either way, most likely your cause of the overheating is a leaking head gasket. If you have a cooling system pressure tester, pump up the cooling system and see if it looses pressure, if it doesn't hold pressure, again bad head gasket.

Jun 23, 2008 | 1989 Ford Crown Victoria

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