Question about 2003 Chevrolet Tahoe

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Not starting- fuel says little more than 1/4 tank-can hear fuel pump through gas nozzle has alot of cranking power

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Insufficient info. anything happen recently, or any work done on the truck before this happened? Do you know how to check ignition system? Pull a wire off the coil and see if a spark will jump across a small air gap while cranking the starter--use a cloth or clothespin to hold the wire while cranking.

Posted on Aug 22, 2010

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1 Answer

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1 Answer

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when you turn on your keyswitch you should hear a hum of the pump . before replacement you should always check voltage to the pump. to make sure.

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Express Van/Starwagon Satelite Express SJ 1997 Used ethanol fuel - have since been using unleaded super - have changed fuel filter twice - when tank is 1/4 full starts to loose power and stops - when full...


what you need to do is buy a syphon hose that you push into fuel tank drain tank out they sell the crank stle based like a fishing rod as for your problem i would check the line from your gas tank to your emmission canister that it is not restricted if okay check fuel pump it could be heating internaly when fuel is lower than the pump housing when fuel is above pump keeps it alot cooler

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