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When you turn the key on the fuel pump should pump for about five to ten seconds. Do this a few times and it should start. Even with a full tank the pump will do this to pressurize the system. If the pump keeps running it's not picking up fuel. Have a friend listen at the gas cap with the cap removed for the pump to cycle. If it doesn't work there is a fitting on the fuel rail that looks like a valve on a tire. Take the cap off of it and use a small screwdriver to push the center in and see if there is pressure in the fuel rail. Have the key on and wear safety glasses.You should get a squirt of fuel out of it. If you have no pressure there the pump could be bad or the filter plugged. If there is pressure you have other problems. There is no shut off switch. Only fuses and a fuel pump relay. https://www.google.com/search?client=ms-android-samsung&source=android-browser&ei=_skGWP71NoOFmwGwvp-YCw&q=1998+buick+lesabre+fuel+pump+switch+location&oq=+1998+Buick+le+sabre+fuel+pump+switch+location&gs_l=mobile-gws-serp.1.0.30i10k1.20246.66235.0.71699.52.41.2.0.0.0.354.6560.4j26j8j2.40.0....0...1.1.64.mobile-gws-serp..17.35.5853...0i10k1j0i7i10i30k1j0i13k1j33i21k1j33i160k1.pAvwOOuWlKU#imgrc=99du9RTFFGCYhM%3A&scso=uid_WAbKSQAIdFcKJtQCGQCAqw_8:0
its under the hood on driver side what the problem not starting check the trunk area for the fuel cut off switch poss bad or tripped did u get hit or someone bump ur car
Could be a fuel pump issue. If the pump isn't putting out the required volume, the motor will starve during certain manuvers. Check your pressure. It should be atleast 40psi (I think, i don't have much gm experience). Also, there should be a spec somewhere for fuel pump volume over a given amount of time. To investigate this you'll have to jump the fuel pump relay and point the fuel lines at the motor into a container that you can measure the volume of. It may be something as simple as a partially clogged fuel filter, but usually when I've come across this it's been the pump going bad.
This is Caused by the Fuel Pump. If you remove the Fuel Pump relay and it will try to Crank, You have a Bad Fuel Pump. I do Believe that the Fuel Pump is located inside the Fuel Tank on the Sunfire. Not an easy Repair But, Necessary
when you put the key on do you have a check engine let me now please dont rate this as a thanks for trying let me now if you have spark to thanks pierre
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