Question about Chevrolet Silverado 2500HD

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6.6 diesel shut down after starting, still cranking strong but won't start.

I have pulled the fuel filter and replaced and primed, Checked air filter, checked fuses??? I wonder if it is the pump or?????? Injectors and alternator were just replaced last year.

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I would double check to make sure no air was in line. If it still won't crank, has to be pump.

Posted on Feb 21, 2012

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Posted on Jan 02, 2017

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  • 114 Answers

SOURCE: dodge diesel lost its prime!

You have to loosen your injector lines one at a time and have someone crank the engine. once you get fuel to that injector,tighten it and move onto the next one. This will be a lengthy process and make sure you have good batteries cause this process could drain them. Good luck

Posted on Dec 24, 2008

Papa Chan
  • 56 Answers

SOURCE: 2003 GMC Duramax Diesel won't start

I see that you had the injectors replaced 20,000 miles ago. I would still check the oil to make sure it is not overfull. The new injectors could be bad. If the oil level is not overfull then get a paper towel and touch the dip stick tip on the paper towel while oil is on the dip stick. If it's only oil it will not spread. If it has diesel in the oil the oil with spread. If this test doesn't show the injectors to be bad then you have three other possibilities. The FICM (fuel injection control module), the fuel pressure regulator, or the injection pump. It's hard to pinpoint what the problem is without running more tests and the only way to run those tests is with the computer the dealership has. Just so you know your injectors are still under warranty until 100,000 miles. Most likely you will have to take it to the dealership to get you truck fixed. I hope this helps you some.

Posted on Jan 05, 2009

  • 7 Answers

SOURCE: 99 ram diesel wont start

Did you check to see if there is power to the glow plugs if not then that may be the problem and if there is power when you cycle the key not to start but for the plugs to warm up you may have a bad glow plugs.

Posted on Apr 22, 2009

rtpflh
  • 546 Answers

SOURCE: 2003 f550 6 litre diesel

check glow plugs.

Posted on Oct 13, 2009

alicantecoli
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SOURCE: 04 sedona wont start after changing diesel filter!

Yes big time ,fit a non return valve in the feed line from the filter to the pump ,you have a air leak somewhere and i would suspect the rubber o ring in the top of the filter housing,its running back when you leave it because of the air leak

Posted on Apr 20, 2010

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1 Answer

Replaced leaking fuel filter, primed filter and now will not start.


IT will never go unless you bled the air out of the system. Find all the bleed screws and pump fuel out until you get solid fuel. Crack the injector line nuts and crank over until there is fuel drops appearing at each nut . retighten the nuts and then there is every possibility that the engine will start
AS an off side ---Diesels are compression ignition engines and that means that they compress the air to white hot and the fuel is then introduced into this air and ignites IF you spray anything into the air intake then this will ignite prematurely and blow the pistons back out of the sump.
Check that the electric stop solenoid is operational and diesels have to have a fast cranking speed so half flat batteries are a waste of time

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bleed any air from the fuel system from the filter to the pump . If you have pipes to the injectors loosen off the pipe nut at each injector and crank until drops of fuel appear at each nut. If there is air in these lines you will not get enough pressure for the injector to work but as soon as you get drops of fuel re-tension the nuts If you have an electric solenoid shut down (stop) make sure there is power at the unit to activate it as it will be in the stop position until it gets power from the ignition circuit.. Do not use ether as this is a good way of blowing the head off the motor or causing serious internal damage.

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