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I have a 2003 Chevy Silverado duramax diesel with starting problems. I had the check valve and housing for the fuel filter replaced and it started fine for about two weeks. It runs fine but I have to use starting fluid to start it.

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: 1990 mercedes 190e wont start, new battery, new fuel filter help

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Posted on Jan 03, 2009

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

  • 10 Answers

SOURCE: 1996 Chevy Silverado 1500 Starting Problems

Just from what you said it sounds like your vehicle might not be holding its residual pressure which means after you turn a vehicle off, your fuel injection system should hold a certain amount of pressure in the system, but if that pressure drops to fast your vehicle may have a hard time starting. Things to look for when you lose fuel pressure is the fuel pressure regulator may be leaking, fuel pump check valve,leaky fuel injector or they maybe a small leak in one of the fuel lines. I only suggested this cause i had a car with the similar problem.

Posted on Feb 01, 2009

  • 2 Answers

SOURCE: CHEVY SILVERADO 2500HD DURAMAX DIESEL

replaced fuel pump on 2003 duramx diesel, but there's no power to it?

Posted on Jan 12, 2010

  • 17 Answers

SOURCE: 2003 Duramax Diesel loosing prime and will not

duramax diesel trucks do not have a lift pump. start with the simple things make sure your fuel filter is tight and check the shreader vlave on the fuel rail if that don't help check the filter housing for a leaks arround the heater element or a crack in the housing itself

Posted on May 11, 2010

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1 Answer

2002 chevy 3500 duramax 6.6 ran hot now cranks but won't start


Check spark plugs, leads, distributor cap & rotor arm, fuel pump, fuel filter, coil pack(s), relays, replace any items that are suspect IE Fuel filter which has probably not been changed since new even though they should be changed on all vehicles every 18 months, all of this can be done at home & will save you a lot of bucks in mechanic/garage fees,

Sep 21, 2012 | 2002 Chevrolet Silverado 3500

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2002 chevy 6.6 duramax wont start even in warm weather or after motor is warm..... only starts with starting fluid. codes are p0335/p0193/poo87/p0090


The Duramax fuel filter assembly is bad about sucking air. Replace the fuel filter assembly. It comes with a new fuel filter.
I need some good feedback.

Oct 09, 2011 | 2002 Chevrolet Silverado 2500HD

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My 2500 duramax diesel dosent want to start


Does it have diesel?
Could be fuel filter or fuel pump.
Glow plugs?
Injectors? these trucks have been known to have bad injectors.
Possibly the oil pump, the injectors run off the oil pump.

Sep 23, 2011 | 2003 Chevrolet Silverado 2500HD

1 Answer

2003 Chevy Duramax 2500 HD with a vapor lock when temp is moderately hot; will not start without using prime pump on top of fuel filter housing - sometimes with low fuel level will not re-start even with...


Most likly the filter housing needs to be replaced and or the fule lines to and rom the housing. the housing has the plunger on top and the filter screwed under. The plunger goes bad on these and causes air to enter and then become air locked. this is also very comon on the IPR with the fuel filter housing mounted behind cab on frame rail driver side. road sault gets to these and degrades the unit untill it sucks air. On the c 4500 you need to get the oem fuel lines because of the tight space restrictions to route the lines. the OEM lines are molded to make the tight bends required.

Hope this helps... Good luck

May 26, 2011 | 2003 Chevrolet Silverado 2500HD

3 Answers

2003 Duramax Diesel loosing prime and will not start until I lift the hood and pump the prime plunger on the fuel filter housing.


duramax diesel trucks do not have a lift pump. start with the simple things make sure your fuel filter is tight and check the shreader vlave on the fuel rail if that don't help check the filter housing for a leaks arround the heater element or a crack in the housing itself

Apr 25, 2010 | 2003 Chevrolet Silverado 2500HD

1 Answer

2001, Duramax Deisel 6.6 won't "restart"


fuel pump is obviouslynot working !
check it & its wiring!!!!!

Jul 20, 2009 | 2003 Chevrolet Silverado 2500HD

2 Answers

Fuel in oil on 2002 chevy 2500hd duramax


THE DURAMAX ENGINE INJECTORS GO BAD AND SPRAY TO MUCH DIESEL AND IT FILLS THE CRANK CASE UP 200 THOUSAND MILE WARRANTY COMMON PROBLEM DON'T DRIVE IT ANY MORE IF U HAVE BAD INJECTORS.

Jun 21, 2009 | 2003 Chevrolet Silverado 2500HD

1 Answer

Priming fuel system on a 8.1L diesel engine 2001chev 1 ton dual


Well, one problem is, if its an 8.1, its not a diesel. The 8.1, or Vortec 8100, is a gas engine. The DuraMax is a 6.6 engine. There is usually not a priming system on a gas engine, because the fuel pumps will usually get it through the smaller filters used quick enough you dont need them. However, if it is a DuraMax engine, then right on top of the fitting where you mount your diesel filter, there is a primer pump and an air bleed valve. What you do is, open up that air bleed valve ( its a little black plastic octagon shaped thing on the top of the filter mount) then you pump the primer (the silver button looking thing) until you get diesel squiting out the air vent without too many air bubbles or gurgles.

Jan 17, 2009 | 2001 Chevrolet Silverado 2500HD

2 Answers

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.

Jan 05, 2009 | 2003 GMC Sierra

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