Question about Chevrolet Silverado 1500

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My chevy 1500 cranks an starts for two seconds an it kills i changed fuel pump an fuel filter i dont know whats next can you help me please and thank you

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Set up a fuel pressure guage on the line, it should go up when youturn the key on, if it drops as soon as the truck starts i would suspect the ingniton switch is cutting out in the run position

Posted on May 07, 2010

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Posted on Jan 02, 2017

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Kelly, could be a few issues, security lock out, crank sensor, fuel pump fuse/relay, faulty new pump,faulty ignition switch, etc. Attached links may help you diagnose the crank no start issue you are having.
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1997 Chevy Silverado, Starting issue: I have changed plugs/wires/rotor/cap/fuel filter/air filter, etc,,,. Still diificult to start takes any where from 5 -15 cranks, ready to replace fuel pump again after...


The best way to help find the problem, is to have a fuel pressure test done on it, that will tell if the fuel pump is weak, or the fuel pressure regulator is malfunctioning. If the pressure is low, the fuel pump is weak,
if it is high, the fuel regulator is at fault.

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1 Answer

Cranks but won't start.


It should be tune up as replace the cap, rotor, spark plugs, wires, PCV vale and Mass flow meter. so many problem when this happen.

good luck!

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Why wont my 96 chevy cheyenne 5.7 run unless i put


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I have a 90 chevy k1500 350 tbi with same problem! I have traced problem to... after turning on key fuel pump kicks on when u crank it over injectors shoot gas and truck starts! After few seconds injectors stop spraying and truck dies! This can happen many times over and over! Eventually sometimes truck stays running and all is great! I changed ignition module, oil pressure sending unit (which i was told controls gas after vehicle is running) fuel filter, computer, fuel pump relay, I am at a loss now! Hope this helps and hope someone can help me!

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99 SILERRADO FUEL PUMP PROB


Check fuel pump relay.. If need you can supply fuel pump manually with power and se if it operated you should hear it and vehicle should start. Contact if you need more help and thanks for using FIX YA

Jan 28, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

99 silverrado chngd fuel pump n still no start no noise from pump


im not sure of the color wires that should be powered but have you checked the fuel pump relay under the hood? also check that you have a good ground at the pump dont check just the positive voltage check for negative (ground) also

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4 Answers

1997 Chevrolet Silverado Fuel System


Hello Johnholley
I am wondering do you hear the fuel pump when you just turn the key into the on run position not crank just in run and listen and see if you hear the fuel pump run for a second, If you don't hear it you will want to check for power at the fuel tank, and have some one cycle the key while your under the truck with a test light. Hopefully you have power and you hear the fuel pump run. Now if you do hear the fuel pump running then the next thing you will want to check is for spark, It could be the ignition module or pickup coil. check out those thing and I am sure you will be able to figure out whats going on. If you don't get back to me and we can try a few other methods. I sure hope that helps you out johnholley. and thanks for using Fix Ya Bear001

Jul 18, 2008 | 1999 Chevrolet Silverado 1500

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