Question about 2002 Buick LeSabre

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When should fuel line be cleaned and gas filter replaced on 2002 Buick LeSabre

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I don't know exactly what manufacturer recommends on those but if you change it every 20K miles or two years it would not be a bad thing. The filter is not terribly expensive and is not really difficult to replace. Changing it eliminates any partial restriction and makes the fuel pumps job a bit easier and helps protect all components downstream.

Posted on Oct 03, 2009

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  • Richard Scordino Oct 03, 2009

    One note about fuel additives...as most fuels in the USA contain ethanol (alcohol) at as much as 15%, it is not advisable to add anything containing more of that to the system Most dry-gas is generally either ethanol or methanol which are both alcohol. I suggest you add nothing more.

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Filter should be changed every fall as a preventive measure. If you are in a cold climate, also add a can of gasoline dryer/water remover for good measure.

Fuel lines normally never need cleaning.

Posted on Oct 03, 2009

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I got a 2002 Buick LeSabre and I just replaced two fuel pumps because they get real hot and they slow down on working out and get about 5 miles out of both of them and now I gotta replace the third


Eloy, if the pumps are heating up, you must be running with very low fuel in your gas tank, fuel is a must to keep pump cool and lubricated or you are continually getting bad pumps. Clean tank thoroughly,replace the sock on end of pump, replace fuel filter check to make sure there are no pinched collapsed fuel lines.Try running gas tank no lower then quarter tank and buy a quality replacement pump and give it a try.
http://www.automotiveforums.com/t246788-overheating_fuel_pump_anyone_.html
Chevrolet Fuel Pump Failures Explained on YouFixCars com
http://alt.autos.gm.narkive.com/t828G3rB/why-are-gm-fuel-pumps-so-short-lived-class-action-lawsuit

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1 Answer

The car lurches and lunge at times as if it is not getting fule properly, I want to change the fuel filter but not sure where it is located


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I have the same problem with the "lurch and lunge". I cleaned my MAF Sensor, changed my plugs and ignition wires, and now changed the fuel filter. The car runs much better, but I still get the "lurch and lunge" if I step hard on the gas after slowing down (like for a turn). So, if I hit the gas hard when I'm going around 10mph, it still happens.

For your benefit (and mine), what other components could cause the problem and are DIY replacable.

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