Question about 2003 Chevrolet Silverado 1500

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2003 Chevy silverado 1500 . Full tank, new filter, but won't start. I can hear the fuel pump, but acts like it is not getting gas to the engine.

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  • Richard Scordino May 11, 2010

    If it won't light if you spray carb cleaner into the throttle body, likely the crank sensor is bad...but you need to test before replacing.

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  • Master
  • 564 Answers

Find fuel test port on motor & pull cap of ck for press

Posted on Jan 31, 2010

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Chevy Blazer no gas will not start. Changed filter, gas gage lies about level. Goes to zero when starting. Full tank.


Possible bad fuel pump. Have someone crank the engine while rapidly hitting the bottom of the fuel tank with your fist agressively. You can also use a hammer and hit the tank using the flat of the hammer head while the engine is being cranked. If it starts or tries to start, suspect a bad fuel pump

May 20, 2015 | 2003 Chevrolet Chevrolet TrailBlazer

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I have a 2003 silverado, it starts fine in the morning but the rest of the day it cranks for a long time before starting. turning the key on and off a few times doesn't help. I have had the fuel pump


If the fuel pump is inside the gas tank, remove the gas cap, to equalize the air-pressure inside/outside the gas tank. That should let the fuel pump "suck" the gas from the tank.

Oct 31, 2014 | 2003 Chevrolet Silverado 1500

2 Answers

I ran ouy of gas in 1999 chevy i put gas back in it and know it won't start


You may have siezed the fuel pump. Fuel is used as a lubricant for the fuel pump. When you run out of gas and continue to crank the engine the fuel pump siezes from lack of lubrication. Sometimes you can get lucky by banging on the fuel tank while someone else turns the key to the run position (Not cranking the engine). keep slapping your hand against the fuel tank. This may free up the fuel pump. when you hear the fuel pump hum again then all is good. Also check your fuses, maybe you jsut burned up the fuel pump fuse.

Sep 09, 2011 | 1999 Chevrolet Silverado 1500

2 Answers

2001 Chevy Silverado 1500 randomly will not start. It tries to turn over, acts like it is out of fuel. It appears if I pump it a little and wait approx. 20 mins. it will start. May be a coincidence...


In my opinion it sounds like the fuel pump.For some reason from 2000 to about 2008 the fuel pumps go bad between 65,000 and and 105,000 on that model

Jun 14, 2011 | 2001 Chevrolet Silverado 1500

1 Answer

Truck just quit at a redlight intersection today and acts like it has no gas. The gas guage also goes from empty too 1/2 tank too empty too full some times for no apperant reason!!


So do you know if you have gas in your tank or not? You need to check for fuel pressure to make sure your pump is working. Inside you fuel tank is a fuel pump module which consists of your fuel pump and fuel level sender. It sounds like you are going to need to replace that. Can you hear your fuel pump buzzing. Open you gas filler cap and put your ear next to it while having a helper turn the key to the run position not start position. You should hear it run for about 5-10 seconds and then shut off. If you don't hear it you have a problem with your pump. It can be with the wiring, feul pump relay, or the pump itself. It is usually the pump. But even if you can hear the pump you still need to check your fuel pressure as the pump may be buzzing but not working correctly. Also check your fuel filter.

Apr 30, 2011 | 2000 Chevrolet Silverado 1500

1 Answer

I have a 2001 chevy silverado 1500 with a 4800 vortec engine. it starts and idels fine but when ever i give it gas, the engine starts to sputter and dies. ive already changed the fuel filter and spark plug...


This sounds llike weak feul pressure, the fuelpump may need replacing, the first thing to do is have the fuel pressure tested and if the pressure is low then have the pump replaced. the pump is located inside the fuel tank and the tank will need to be dropped to replace the pump, good luck ,

Jan 01, 2011 | 2001 Chevrolet Silverado 1500

2 Answers

1997 chevy silverado 1500 350 vortech, new fule pump not working


before you drop tank again, check fuses & relay.then disconnect fuel line @ filter turn key to on position should hear fuel pump run and get gas stream out of line. if no flow from line new pump faulty be sure & remove negative battery cable first good luck.

Jun 04, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

I have a 4.3 vortec engine, a new fuel pump and i


mcdevito75 here, You"ll have to trace the fuel lines from the gas tank to the carb. look for kinks, breaks, beds in the fuel lines. Also change the gas filter.

Feb 21, 2009 | 1999 Chevrolet Silverado 1500

2 Answers

1997 Silverado


no gas in the engine
faulty tank switch if you have dual tanks
in tank something blocking the filter
fuel filters clogged
3 filters
one in engine
one located on chassis by gas tank
one located in the tank called sending unit this has filter on it
fuel injectors need cleaning
alternator

Jun 02, 2008 | 1999 Chevrolet Silverado 1500

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