Question about 1993 Buick LeSabre

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Fuel filter replacement

I need to know were the fuel pump fuse is - i need to replace the filter and need to turn the pump off

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In the fusebox under hood

Posted on Oct 22, 2008

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1999 chrysler 3.5 lhs fuel not going to injectors


Then your fuel pump is not working, or your fuel filter is blocked. You will probably have to check your fuel pump circuit if you have no fuel pressure in the fuel rail, where the injectors sit. There is a fuse for the pump, usually in the under hood fuse/relay block. That is probably also where the fuel pump relay is located. You should hear or feel this relay click when the ignition key is cycled from off to on. Also, when the key is turned to on, you should hear the fuel pump in the gas tank turn on for about 2 seconds. This will put the pressure in the gas in the fuel rail, for starting the engine. If you don't hear the pump turn on for that 2 second period, it is probably a bad fuel pump. But know the fuse is good first.

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No fuel pressure on 1993 Dodge Dakota, How do I check the fuel pump? I cannot hear it run.


If you cannot hear the fuel pump prime up when you turn the key to on there is a fault with your fuel pump. check the fuse in the fuse relay box and the 2 wired connections on the fuel pump, if still no good than replace the fuel pump

Oct 09, 2012 | 1993 Dodge Dakota

2 Answers

The car has been seemingly acting as if it is out of gas. I think its the fuel filter. But today it cut off all together. It will still turn over but will not crank. She my daughter said it also smoked a...


more than likely a clogged fuel filter[hopefully] if not that lets try this before you do anything.turn your key to the 'on' position can you hear a slight hum coming from the fuel pump in the gas tank under the rear of your car. it may take 2 people. one to turn the key on and one to listen at the rear of the car.try this several times to see if you hear the hum. if you hear the hum,the fuel pumps working. and then you know it's most likely a clogged fuel filter.if no hum heard,go under your hood to the main engine fuse box[black box] take the cover off of it. on the underside of lid,look for fuel pump relay,replace that relay with new one.if it's a fuse,replace the fuse. if this does'nt repair your problem,the fuel pump has went bad and in need of replacement.the pump is located inside the gas tank. the gas tank will have to come down and out in order to replace the bad fuel pump.try these solutions to see if they help,if you need further assistance,please repost your question to fixya.com and thank you for choosing fixya.com wish you the very best of luck!

Jan 13, 2011 | 1994 Chevrolet Camaro

1 Answer

There is no gas preesure


turn on car have u or someone listen by trunk for hum of fuel pump no noise test fuse-relay and wiring if good test for power to pump if power than most likely pump went and needs replacement --if pump is working replace fuel filter and retest for pressure -if replacing pump also replace filter

Jun 10, 2010 | 2001 Chevrolet Malibu

2 Answers

Not getting gas from the tank to the engine


Then either the fuel pump has failed, fuel filter is clogged, fuel pump relay is bad, or the fuel pump fuse is blown. Sit in the car in a very quite area or with someone listening at the fuel fill area with the cap removed and turn on the ignition without starting the engine. The fuel pump should come on for a few seconds and then shut down. If it does not then check the fuse and the relay. If it comes on then you know the fuse and relay are good. Replace the fuel filter. If that does not help more than likely the fuel pump is bad and needs replacing. The pump can run and still not be pumping any fuel. A fuel pressure test will verify if the pump is for sure bad. You have an 11 year old vehicle so it would not be uncommon for the pump to go bad especially if the filter has been neglected. A partially clogged fuel filter will destroy an otherwise good fuel pump. You will have to remove the fuel tank in order to replace the fuel pump. Use a hand pump to remove as much fuel as possible from the tank as gasoline weighs around 8 lbs per gallon. The less weight the better. Good luck and Merry Christmas.

Dec 15, 2009 | 1998 Ford Ranger SuperCab

1 Answer

I ran out of gas in a 1997 Chevy Blazer, put gas in, but still won't start.


The fuel filter may be to dirty to let the gas flow through and will need to be replaced, or most common when you run out of gas is the fuel pump will burn it self out. The fuel in the tank will keep the fuel pump cooled and will keep it from burning out, if you ran it out of gas. The pump may have burn out and will need to be replaced. Check the fuse first and hope the fuse blown due to the extra amp drown from the pump running without fuel. If the fuse is good, then check to see if you can hear the fuel pump start up when you turn the ignition key to the run position. Note the fuel pump will only energize the fuel line for 5 seconds, so you need to listen for the pump to turn on right away. The other thing too, is you can check the fuel pressure at the shredder valve, there should be 62 to 65 PSI when energizing the fuel line and will drop around 5 PSI when the engine is running. Make sure you do not try to start the engine by pouring gas down the throttle body, it been know for the gas to catch fire in the intake manifold and burn up the fuel injector system which is very costly. Start with the simple and check the fuses and fuel pump, then replace the fuel filter. At worst, your going to have to replace the fuel pump by dropping the gas tank and don't forget to replace the wire harness from the fuel pump to the frame. Good luck and hope this helps, keep me posted. Be glad to know you got your Blazer running again soon.

Dec 09, 2009 | 1997 Chevrolet Blazer

1 Answer

I have a 00 Chevy Tahoe and it runs good but it seems like my fuel pump stops pumping when i stop.


The fuel filter may have gotten to the end of it's life and needs to be replaced, the fuel pump to may be at the end of it's life also and may need to be replaced, or there is a problem with the SEFI system (fuel injectors), but start with the simple for now. Replace the Fuel filter since they should be replaced every 30,000 miles or once a year. If you can lone out a fuel pressure gauge,check the fuel pressure at the shredder valve and the readings with the ignition on the run position engine not running should be 60 to 65psi and will drop about 5 psi when the engine is running, any lower readings would call for the replacement of the fuel pump. Also check the fuses to make sure any of the fuse to the ecm and fuel pump has not blown and needs to be replaced, which also make me wonder if there is 13.5 votls from the battery when the engine is running, if the volts drop to 10.5 the engine will stall and it's also been know that 11.0 volts may not be enough for the fuel pump to run 60 psi with a dirty fuel filter. Good luck and hope this helps. So recap friend, replace the fuel filter and check the fuel pressure, if the pressure is not enough,then replace the fuel filter and fuel pump by dropping the gas tank to get to the fuel pump and don't forget to replace the wire harness to the fuel pump since there is a good chance that wires are going to break and give you problems in the future after replacing the fuel pump. Good luck and hope this helps and the SEFI is good.

Jul 11, 2009 | 1999 Chevrolet Tahoe

3 Answers

1986 BMW 318i;Turns over but engine wont run.I'm


Fuel pump may be getting weak. If pressure is not high enough the injectors wont open.

Jun 27, 2009 | 1986 BMW 3 Series

1 Answer

Fuel problems cant get car to start


FUSE SHOULD BE UNDER THE DASHBOARD ON THE DRIVERS' SIDE. WHEN YOU CHANGED THE PUMP, YOU NEED TO CHANGE THE FUEL FILTER AS WELL TO MAINTAIN THE WARANTY. I WOULD CHANGE THE FUSE AND FILTER. HOPE THIS HELPS. LET ME KNOW HOW YOUR DOING. BEST OF LUCK

May 01, 2009 | 1986 Chevrolet S-10 Blazer

2 Answers

Turns over all gauge lights on but dosent want to start


Chek fuses for fuel pump. If all is well then you need to make sure there is power to pump. If there is power to the pump, then you only have one other option and that is to replace the pump.

Jan 19, 2009 | 1997 Jeep Cherokee Country

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